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Associations

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Yellow bullheads are preyed upon by larger fish such as largemouth bass (Micropterus salmoides), black crappie (Pomoxis nigromaculatus), bluegill (Lepomis macrochirus) and other catfish. Large wading birds and some turtles will also take the adults. The young will be taken by smaller predators, aquatic invertebrates, leeches, and crayfish. They can inflict venomous stings with their pectoral spines, helping them to avoid predation.

Known Predators:

  • largemouth bass (Micropterus salmoides)
  • black crappie (Pomoxis nigromaculatus)
  • bluegill (Lepomis macrochirus)
  • large wading birds (Aves)
  • turtles (Testudines)
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Jenkins, G. 2006. "Ameiurus natalis" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Ameiurus_natalis.html
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Gabe Jenkins, Eastern Kentucky University
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Morphology

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Yellow bullhead are ray-finned fish that lack scales. The dorsal part of the body can be yellow to olive, brown, mottled gray, or black. The belly is usually a yellow color. The caudal fin is rounded and unforked. Anal fin rays number 24 to 28; 25 to 26 is most common. Yellow bullhead may live to be 7 years old, and grow up to 45.7 to 48.3 centimeters long and weigh up to 3.2 kilograms.

Yellow bullhead are similar to black (Ameiurus melas) and brown (Ameiurus nebulosus) bullhead. They differ from these two species in that they have white or yellow chin barbels. Both black and brown bullhead have some dark pigmentation on the chin barbels. Fins and colorations are similar among the three species.

Average mass: 454 g.

Range length: 20.3 to 25.4 cm.

Other Physical Features: ectothermic ; heterothermic ; bilateral symmetry

Sexual Dimorphism: sexes alike

Average mass: 1278 g.

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Jenkins, G. 2006. "Ameiurus natalis" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Ameiurus_natalis.html
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Life Expectancy

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Yellow bullheads have a 7 year life span in the wild.

Range lifespan
Status: wild:
7 (high) years.

Average lifespan
Status: wild:
4.0 years.

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Jenkins, G. 2006. "Ameiurus natalis" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Ameiurus_natalis.html
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Habitat

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Yellow bullhead prefer backwaters with slow current in rivers and streams. They can be found in the shallow parts of streams, lakes, ponds, or large bays. Habitat varies from a slow current with poorly oxygenated, highly silted, and highly polluted water to a more swift current with clean and clear water that has aquatic vegetation. Yellow bullhead are bottom dwellers, living in areas with muck, rock, sand, or clay substrates.

Habitat Regions: temperate ; freshwater

Aquatic Biomes: benthic ; lakes and ponds; rivers and streams; temporary pools

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Jenkins, G. 2006. "Ameiurus natalis" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Ameiurus_natalis.html
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Distribution

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Yellow bullhead (Ameiurus natalis) range throughout the eastern United States, extending north to southeastern Canada and west to the Great Plains and Rio Grande drainage; they are introduced elsewhere (Etnier and Starnes, 1993).

Biogeographic Regions: nearctic (Native )

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Jenkins, G. 2006. "Ameiurus natalis" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Ameiurus_natalis.html
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Trophic Strategy

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Like all other catfish species, yellow bullheads are opportunistic feeders. Yellow bullheads feed at night. They have been known to eat minnows, crayfish, insects and insect larvae, aquatic invertebrates, and worms. Compared to the other two bullheads, the yellow bullheads consume more aquatic vegetation. The young will feed on aquatic invertebrates.

Animal Foods: fish; carrion ; insects; mollusks; terrestrial worms; aquatic crustaceans

Plant Foods: macroalgae

Other Foods: detritus

Primary Diet: carnivore (Insectivore , Eats non-insect arthropods, Molluscivore )

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Jenkins, G. 2006. "Ameiurus natalis" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Ameiurus_natalis.html
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Untitled

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(Ameiurus natalis) is translated in Latin meaning "primitive or curtailed" for Ameiurus, in reference to the notch in the distal end of the caudal fin, and natalis meaning "having large buttocks".

Other common names of yellow bullheads are polliwog, chucklehead cat, butter cat, yellow cat, creek cat, white-whiskered bullhead, and greaser.

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Jenkins, G. 2006. "Ameiurus natalis" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Ameiurus_natalis.html
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Behavior

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Atema et al. (1969) and Todd (1971) have indicated that yellow bullheads are a very social fish and can recognize other individuals and their social status by their smell. The olfactory apparatus (i.e., nose) is responsible for this ability, while the barbels and other dermal taste buds are used for locating food (Etnier and Etnier, 2005).

Taste buds are found in the mouth and all over the body. Yellow bullheads have 5 taste buds every 5 mm² on their body surface. The barbels serve as both an external tongue and hands. Bullheads can feel with their body and their barbels. They also have 20,000 taste buds on the eight whiskers. The average adult has a total of over 200,000 taste buds on its body.

Communication Channels: visual ; tactile ; chemical

Perception Channels: visual ; tactile ; chemical

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Jenkins, G. 2006. "Ameiurus natalis" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Ameiurus_natalis.html
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Conservation Status

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Yellow bullheads are not known to have any specific conservation status.

US Federal List: no special status

CITES: no special status

State of Michigan List: no special status

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Jenkins, G. 2006. "Ameiurus natalis" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Ameiurus_natalis.html
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Life Cycle

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Yellow bullhead eggs hatch five to ten days after fertilization. The male yellow bullhead guards the nest during this period. Upon hatching, the young fry are herded into tight schools by the male and protected until they are approximately two inches long. Sexual maturity is reached between the ages of 2 and 3 years, when the fish are at least 140 mm in length.

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Jenkins, G. 2006. "Ameiurus natalis" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Ameiurus_natalis.html
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Benefits

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Bullheads are very well known for the ability to inflict a sting with their pectoral spines. The pain can last for a week or more. The sting is caused by small glands near their fins that produce a poison which causes the swelling. The pain can be dulled by dabbing ammonia on the wound.

Negative Impacts: injures humans (bites or stings)

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Jenkins, G. 2006. "Ameiurus natalis" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Ameiurus_natalis.html
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Benefits

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Yellow bullheads are not considered to be a game fish, but they are widely sought after for food. Yellow bullheads also can be introduced into streams with high pollution because of their high tolerance to pollution.

Positive Impacts: food

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Jenkins, G. 2006. "Ameiurus natalis" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Ameiurus_natalis.html
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Associations

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Yellow bullheads have been found to be a host species for creepers (Strophitus undulatus) and they are parasitized by leeches (Hirudinea).

Commensal/Parasitic Species:

  • creepers (Strophitus undulatus)
  • leeches (Hirudinea)
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Jenkins, G. 2006. "Ameiurus natalis" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Ameiurus_natalis.html
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Reproduction

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Yellow bullhead males dig nests, which may range from a shallow depression in muddy sediment to a deep burrow in the stream bank. Protected nest sites near rocks and stumps with dense vegetation are preferred. Nest sites attract females for mating.

Mating System: monogamous

Yellow bullhead spawn from April until June, beginning when water temperatures reach 23 to 28 degrees Celsius. The female produces 300 to 700 sticky yellowish eggs per spawning act, and the nest can contain 1700 to 4300 eggs in total.

Breeding interval: Yellow bullheads breed once yearly.

Breeding season: Yellow bullheads breed and spawn from April to July.

Range number of offspring: 1700 to 4300.

Average gestation period: 5-7 days.

Average age at sexual or reproductive maturity (female): 2-3 years.

Average age at sexual or reproductive maturity (male): 2-3 years.

Key Reproductive Features: iteroparous ; seasonal breeding ; gonochoric/gonochoristic/dioecious (sexes separate); sexual ; fertilization (External ); oviparous

Average number of offspring: 500.

Average age at sexual or reproductive maturity (male)
Sex: male:
730 days.

Average age at sexual or reproductive maturity (female)
Sex: female:
730 days.

Both the male and female help in the construction of the nest and while the young are in the nest one of the parents will guard them. After the fry hatch the male herds the young into a dense ball and will protect them until they grow to two inches long.

Parental Investment: pre-fertilization (Provisioning, Protecting: Female); pre-hatching/birth (Protecting: Male); pre-independence (Protecting: Male)

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Jenkins, G. 2006. "Ameiurus natalis" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Ameiurus_natalis.html
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Diseases and Parasites

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Contracaecum Infestation 3. Parasitic infestations (protozoa, worms, etc.)
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Recorder
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Diseases and Parasites

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Dichelyne Infestation. Parasitic infestations (protozoa, worms, etc.)
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Diseases and Parasites

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Spinitectus Infestation 3. Parasitic infestations (protozoa, worms, etc.)
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Diseases and Parasites

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Spiroxys Infestation. Parasitic infestations (protozoa, worms, etc.)
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Trophic Strategy

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Pools, backwaters, and sluggish current over soft substrate in creeks and small to large rivers; oxbows, ponds, and impoundments.
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Biology

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Pools, backwaters, and sluggish current over soft substrate in creeks and small to large rivers; oxbows, ponds, and impoundments (Ref. 5723, 10294). Feeds on variety of insects and other bottom dwelling organisms such as mollusks and crustaceans (Ref. 27549).
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Importance

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gamefish: yes
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Ameiurus natalis ( Catalan; Valencian )

provided by wikipedia CA

Ameiurus natalis és una espècie de peix de la família dels ictalúrids i de l'ordre dels siluriformes.

Morfologia

Els mascles poden assolir els 47 cm de llargària total.[4][5]

Distribució geogràfica

Es troba a Nord-amèrica.[4]

Referències

  1. uBio (anglès)
  2. Rafinesque C. S. 1820. Ichthyologia Ohiensis (Part 7). Western Rev. Misc. Mag. v. 2 (núm. 6). 355-363.
  3. BioLib (anglès)
  4. 4,0 4,1 FishBase (anglès)
  5. Page, L.M. i B.M. Burr 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p.

Bibliografia

  • Burgess, W.E. 1989. An atlas of freshwater and marine catfishes. A preliminary survey of the Siluriformes. T.F.H. Publications, Inc., Neptune City (Estats Units). 784 pàg.
  • Eschmeyer, William N.: Genera of Recent Fishes. California Academy of Sciences. San Francisco (Estats Units). iii + 697. ISBN 0-940228-23-8 (1990).
  • Eschmeyer, William N., ed. 1998. Catalog of Fishes. Special Publication of the Center for Biodiversity Research and Information, núm. 1, vol. 1-3. California Academy of Sciences. San Francisco, Califòrnia, Estats Units. 2905. ISBN 0-940228-47-5.
  • Ferraris, Carl J.: Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa, 1418. 8 de març del 2007. ISBN 978-1-86977-058-7. PDF (anglès)
  • Hardman, M. i L.M. Page 2003. Phylogenetic relationships among bullhead catfishes of the genus Ameiurus (Siluriformes: Ictaluridae). Copeia 1: 20-33.
  • Helfman, G., B. Collette i D. Facey: The diversity of fishes. Blackwell Science, Malden, Massachusetts (Estats Units), 1997.
  • Lesueur, C. A. 1819. Notice de quelques poissons découverts dans les lacs du Haut-Canada, durant l'été de 1816. Mem. Mus. Natl. Hist. Nat. v. 5: 148-161, 2 pls.
  • Moyle, P. i J. Cech.: Fishes: An Introduction to Ichthyology, 4a edició, Upper Saddle River, Nova Jersey, Estats Units: Prentice-Hall. Any 2000.
  • Nelson, J.S. 2006: Fishes of the world. Quarta edició. John Wiley & Sons, Inc. Hoboken, Nova Jersey, Estats Units. 601 p.
  • Wheeler, A.: The World Encyclopedia of Fishes, 2a edició, Londres: Macdonald. Any 1985.


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Ameiurus natalis: Brief Summary ( Catalan; Valencian )

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Ameiurus natalis és una espècie de peix de la família dels ictalúrids i de l'ordre dels siluriformes.

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Gelber Katzenwels ( German )

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Der Gelbe Katzenwels (Ameiurus natalis) ist eine Fischart aus der Familie der Katzenwelse (Ictaluridae).

Merkmale

Der Rücken des Gelben Katzenwelses ist gelb-olivfarbenen gesprenkelt. Die Bauchseite ist gelb bis weißlich. Jungfische sind dunkler gefärbt.[1] Der Fisch unterscheidet sich von dem Katzenwels und dem Schwarzen Katzenwels vor allem durch seine weißen Barteln. Die Schwanzflosse besitzt 23–27 Strahlen und ist nicht eingekerbt.[2] Durchschnittlich erreichen die Fische eine Länge von 15 bis 45 cm. Der schwerste bisher erfasste Gelbe Katzenwels wog 1,920 kg. Die Tiere erreichen ein Alter von bis zu 7 Jahren. Das Fleisch des Fisches ist cremefarben und hat einen guten Geschmack. Es kann vorkommen, dass das Fleisch im Sommer weicher ist als in anderen Jahreszeiten.

Ernährung

Der Gelbe Katzenwels hat ein breites Nahrungsspektrum. Er geht vor allem nachts auf Futtersuche und ernährt sich von kleinen Fischen, Schnecken, Würmern, Krebstieren, Insekten und Aas.

Lebensraum

Das Verbreitungsgebiet des Fisches erstreckt sich über Texas, North Dakota und die Großen Seen bis an die Ostküste der Vereinigten Staaten (42°N – 19°N). Er ist ein Süßwasserfisch und lebt bevorzugt in Habitaten mit klarem, langsam fließenden Wasser, steinigen Gewässerböden und flachen Stellen mit warmem Wasser und krautigem Bewuchs. Seine bevorzugte Wassertemperatur liegt bei 5–15 °C.

Fortpflanzung

Im Spätfrühling und Frühsommer graben die Gelben Katzenwelse Löcher in schlammige Gewässerböden, um dort zu laichen. Meist suchen sich die Fische, welche im Alter von zwei bis drei Jahren geschlechtsreif werden, einen Gegenstand wie zum Beispiel ein Stück Holz oder einen Stein, an dem sie ihren Laich ablegen. Anschließend beschützen die Elterntiere den Laichplatz bis Juli oder August. Die Rogner können 2.000 bis 12.000 Eier legen. Eine Population verdoppelt sich in circa 1,4 – 4,4 Jahren. Aufgrund dieser geringen Zeit besteht die Gefahr einer Überpopulation.

Einzelnachweise

  1. Körperfärbung
  2. Schwanzflosse
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Gelber Katzenwels: Brief Summary ( German )

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Der Gelbe Katzenwels (Ameiurus natalis) ist eine Fischart aus der Familie der Katzenwelse (Ictaluridae).

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Yellow bullhead

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The yellow bullhead (Ameiurus natalis) is a species of bullhead catfish, a ray-finned fish that lacks scales.

Description

The yellow bullhead is a medium-sized member of the catfish family. It is typically yellow-olive to slate black on the back and may appear mottled depending on its habitat. The sides are lighter and more yellowish, while the underside of the head and body are bright yellow, yellow white, or bright white. The rear edge of its caudal fin is rounded. The anal fin has anywhere between 24 and 27 constituent rays, more than that of other bullheads. The yellow bullhead can be easily distinguished from the brown bullhead (Ameiurus nebulosus) and black bullhead (A. melas) by the group of white barbels or "whiskers" under its chin. Yellow bullheads are medium-sized bullheads that rarely grow larger than 2 lb (0.91 kg), but can reach up to 6.375 lb (2.892 kg).[3] Yellow bullheads may grow to a maximum total length (TL) of 60 centimetres (24 in), though they are more commonly 22.5 centimetres (8.9 in) TL,[4] and can live up to 12 years.[5]

Diet

The yellow bullhead is a voracious scavenger that will almost eat anything. It locates prey by brushing the stream bottom with its barbels. Taste buds on the barbels tell the yellow bullhead whether or not contact is made with edible prey. They typically feed at night on a variety of plant and animal material, both live and dead, most commonly consisting of worms,[6] insects, snails, minnows, clams, crayfish, other small aquatic organisms, plant matter, and decaying animal matter. Compared to black and brown bullheads, yellow bullheads consume more aquatic vegetation.[6]

Habitat

Yellow bullhead are bottom dwellers, living in areas with muck, rock, sand, or clay substrates. Its habitat includes river pools, backwaters, and sluggish current over soft or mildly rocky substrate in creeks, small to larger rivers, and shallow portions of lakes and ponds. Their habitat can vary from a slow current with poorly oxygenated, highly silted, and highly polluted water to a more swift current with clean and clear water that has aquatic vegetation. Fishermen often find them in sluggish creeks and rivers with a gravel bottom.

Reproduction and life cycle

Bullheads have a monogamous relationship with spawning beginning in mid-May or early-June, with both sexes participating in nest-building. Bullheads usually use a natural cavity or make saucer-shaped depressions near submerged cover, such as tree roots or sunken logs. The female will lay anywhere from 300 to 700 eggs at a time in a gelatinous mass, with up to 4300 eggs deposited into the nest in total.[6] After fertilization the male protects and continually fans the nest of eggs. The eggs hatch in 5 to 7 days on average.[6] Young fry are herded into tight schools by the male and are protected by both parents until they are approximately two inches long. They grow to about three inches by one year of age. Sexual maturity is achieved after two to three years, by which time the fish have reached 140 millimetres (5.5 in) in length.[6]

Distribution

Yellow bullhead have a wide range across the central and eastern US from the Rio Grande River to North Dakota and south-eastern Canada, and east through the Great Lakes region to the East Coast.[6][7] They have also been introduced to the West[8] and can be caught as far up as northern Washington state.

Angling

Yellow bullheads are considered a minor game fish, and their meat is considered sweet and has a good flavor, but the meat can become soft in summer. They are not as sought after as other catfish. They can be caught on natural baits such as worms, crickets or chicken liver fished on the bottom at night.[8]

Etymology

Named both Ictalurus natalis and Ameiurus natalis. Ictalurus, Greek, meaning "fish cat"; Ameiurus, Greek, meaning "privative curtailed," in reference to the caudal fin lacking a notch; natalis, Latin, meaning "of birth."[9]

See also

References

  1. ^ NatureServe (2013). "Ameiurus natalis". IUCN Red List of Threatened Species. 2013: e.T202675A2746631. doi:10.2305/IUCN.UK.2013-1.RLTS.T202675A2746631.en. Retrieved 12 November 2021.
  2. ^ William Eschmeyer. "Catalogue of Fishes". California Academy of Sciences. Retrieved 9 August 2017.
  3. ^ Low, Jim (9 June 2006). "Yellow Bullhead Could Blow Existing World Record Out Of The Water". Southeastern Outdoors. Retrieved 29 May 2022.
  4. ^ Froese, Rainer; Pauly, Daniel (eds.) (2023). "Ameiurus natalis" in FishBase. May 2023 version.
  5. ^ Murie, D.J.; Parkyn, D.C.; Loftus, W.F.; Nico, L.G. (2009). "Variable growth and longevity of yellow bullhead (Ameiurus natalis) in the Everglades of south Florida, USA" (PDF). Journal of Applied Ichthyology. 25 (6): 740–745. doi:10.1111/j.1439-0426.2009.01300.x.
  6. ^ a b c d e f Jenkins, Gabe (2005). Dewey, Tanya; Harrel, Sherry (eds.). "Ameiurus natalis Bullhead (Also: Yellow Bullhead)". Animal Diversity Web. Retrieved 12 July 2022.
  7. ^ "Yellow Bullhead (Ameiurus natalis)". Texas Parks & Wildlife. Retrieved 25 July 2022.
  8. ^ a b "Yellow Bullhead". Arizona Game and Fish Department. 2023. Archived from the original on 26 March 2023.
  9. ^ Scharpf, Christopher (2020). "Lost in Translation: The True Meaning of Natalis in the Name of the Yellow Bullhead Ameiurus natalis" (PDF). American Currents. North American Native Fishes Association. 45 (2): 11–17. Retrieved 19 July 2022.
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Yellow bullhead: Brief Summary

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The yellow bullhead (Ameiurus natalis) is a species of bullhead catfish, a ray-finned fish that lacks scales.

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Ameiurus natalis ( Spanish; Castilian )

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Ameiurus natalis es una especie de peces de la familia Ictaluridae en el orden de los Siluriformes.

Morfología

• Los machos pueden llegar alcanzar los 47 cm de longitud total.[1][2]

Distribución geográfica

Se encuentran en Norteamérica.

Referencias

  1. FishBase (en inglés)
  2. Page, L.M. y B.M. Burr 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p.

Bibliografía

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Ameiurus natalis: Brief Summary ( Spanish; Castilian )

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Ameiurus natalis es una especie de peces de la familia Ictaluridae en el orden de los Siluriformes.

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Ameiurus natalis ( Basque )

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Ameiurus natalis Ameiurus generoko animalia da. Arrainen barruko Ictaluridae familian sailkatzen da.

Banaketa

Erreferentziak

  1. Froese, Rainer & Pauly, Daniel ed. (2006), Ameiurus natalis FishBase webgunean. 2006ko apirilaren bertsioa.

Ikus, gainera

(RLQ=window.RLQ||[]).push(function(){mw.log.warn("Gadget "ErrefAurrebista" was not loaded. Please migrate it to use ResourceLoader. See u003Chttps://eu.wikipedia.org/wiki/Berezi:Gadgetaku003E.");});
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Ameiurus natalis: Brief Summary ( Basque )

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Ameiurus natalis Ameiurus generoko animalia da. Arrainen barruko Ictaluridae familian sailkatzen da.

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Ameiurus natalis ( Italian )

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Il pesce gatto giallo (Ameiurus natalis (Lesueur, 1819)) è un pesce osseo d'acqua dolce della famiglia Ictaluridae.

Descrizione

Ha un aspetto molto simile a quello del pesce gatto diffuso anche in Europa. Il carattere distintivo più evidente è il colore dei barbigli mandibolari che è giallastro mentre in A. melas sono di colore scuro[1].

Il massimo peso noto è di 1,9 kg, la lunghezza massima 47 cm[2].

Biologia

Simile a quanto detto per Ameiurus melas.

Distribuzione e habitat

È diffuso nella parte orientale dell'America Settentrionale, soprattutto negli Stati Uniti d'America con sconfinamenti in Messico e Canada[2]. È riportata in letteratura la sua introduzione nel bacino del Po nel 1906[3] ma non esistono prove o dati recenti che confermino la sua presenza nel continente europeo[1].

Popola stagni, canali e fiumi a scarsa corrente e con fondo melmoso[2].

Pesca

Come per I. melas.

Note

  1. ^ a b Cornol (CH) Kottelat M., Freyhof J., Handbook of European Freshwater Fishes, Publications Kottelat, 2007, ISBN 88-7021-299-8.
  2. ^ a b c FishBase.
  3. ^ ittiofauna.org.

Bibliografia

  • Cornol (CH) Kottelat M., Freyhof J., Handbook of European Freshwater Fishes, Publications Kottelat, 2007, ISBN 88-7021-299-8.

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Ameiurus natalis: Brief Summary ( Italian )

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Il pesce gatto giallo (Ameiurus natalis (Lesueur, 1819)) è un pesce osseo d'acqua dolce della famiglia Ictaluridae.

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Ameiurus natalis ( Dutch; Flemish )

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Vissen

Ameiurus natalis is een straalvinnige vissensoort uit de familie van Noord-Amerikaanse katvissen (Ictaluridae).[1] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1819 door Lesueur.

Bronnen, noten en/of referenties
  1. (en) Ameiurus natalis. FishBase. Ed. Ranier Froese and Daniel Pauly. 10 2011 version. N.p.: FishBase, 2011.
Geplaatst op:
22-10-2011
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Ameiurus natalis ( Vietnamese )

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Cá da trơn vàng (Danh pháp khoa học: Ameiurus natalis; natalis, tiếng Latin, có nghĩa là "có mông lớn") là một loài cá da trơn trong họ cá nheo Bắc Mỹ Ictaluridae, phân bố ở Bắc Mỹ trong đó tập trung tại Mỹ, phạm vi phân bố khắp miền trung và miền đông Hoa Kỳ từ trung tâm Texas, phía bắc thành Bắc Dakota, và phía đông thông qua khu vực Great Lakes đến Bờ Đông. Tại Minnesota, chúng được tìm thấy trên các phần phía đông và trung tâm của bang. Chúng được coi là một con cá câu thể thao cỡ nhỏ, chúng cũng có thể được đưa vào các dòng có độ ô nhiễm cao vì sự dễ tính cao của chúng nơi ô nhiễm.

Mô tả

Loài đặc biệt này là một thành viên có kích thước trung bình của họ cá da trơn. Nó thường có màu vàng-ô-liu đen trên lưng và đôi khi đốm tùy thuộc vào môi trường sống. Các bên đều nhẹ hơn và có màu vàng hơn, trong khi mặt dưới của đầu và thân có màu vàng sáng, vàng trắng, hoặc màu trắng sáng. Cạnh phía sau của vây đuôi của nó được làm tròn.

Vây hậu môn là lớn hơn nhiều so với nhiều loài cá có bất cứ nơi nào giữa 23 và 27 tia. Cá trê đầu bò vàng mặc dù ít phổ biến hơn, có thể dễ dàng phân biệt với các loài này với râu trắng của nó. Chúng hiếm khi lớn hơn 2 lb (0,91 kg) nhưng có thể lên tới 6,6 pound. Loài này thường bị nhầm lẫn trên phương tiện truyền thông xã hội và Internet. Cá da trơn vàng có kích thước 6-18 inch và sống lên đến 7 năm.

Tập tính ăn

Chúng là loài ăn xác thối tham ăn mà hầu như sẽ ăn bất cứ thứ gì. Nó giữ con mồi bằng cách đánh răng dưới cùng dòng với râu của nó, nụ vị giác trên râu hay không liên hệ được thực hiện với con mồi ăn được. Chúng thường ăn vào ban đêm trên một loạt các sinh vật và nguyên liệu động vật, cả hai sống và chết, phổ biến nhất bao gồm côn trùng, ốc, cá tuế, , tôm, thủy sinh vật nhỏ khác, và chất mục động vật.

Hành vi

Cá da trơn vàng là những cư dân sống dưới đáy, sống trong khu vực có nền bùn, đá, cát, hoặc đất sét, môi trường sống của nó bao gồm hồ bơi sông, và hiện tại chậm chạp trên bề mặt mềm hoặc nhẹ đá trong lạch, nhỏ để các con sông lớn, và phần nông của hồ, ao, môi trường sống của chúng có thể khác nhau từ một vùng nước chậm với nước kém oxy, và ô nhiễm nặng đến một nhịp độ nước nhanh hơn hiện tại với nước sạch và rõ ràng rằng có thảm thực vật thủy sinh. Ngư dân thường tìm thấy chúng trong lạch nước chảy chậm và sông có đáy sỏi.

Sinh sản

Chúng có một mối quan hệ một vợ một chồng với sinh sản bắt đầu vào giữa tháng hoặc đầu tháng Sáu, với cả hai giới tham gia trong xây dựng tổ, chúng thường sử dụng một hốc cây tự nhiên hoặc làm cho chiếc đĩa hình áp thấp gần bìa ngập nước, chẳng hạn như một cây rễ hoặc một bản ghi bị đắm. Các con cái sẽ nằm ở bất cứ đâu và đẻ từ 300 đến 7.000 trứng trong một khối sệt, và sau khi thụ tinh, con đực bảo vệ và liên tục tổ của trứng. Trứng nở trong vòng năm đến 10 ngày và cá con được dồn vào các cầu cá chặt chẽ do con đực bảo vệ bởi cả cha mẹ cho đến khi chúng được lâu dài khoảng hai inch. Chúng phát triển đến khoảng 3 inches khi một tuổi. Sự thành thục sinh dục đạt được từ 2 đến 3 năm, khi cá ít nhất có 140 mm chiều dài.

Tham khảo

  1. ^ NatureServe (2015). Ameiurus natalis. Sách Đỏ IUCN các loài bị đe dọa. Phiên bản 4.1. Liên minh Bảo tồn Thiên nhiên Quốc tế. Truy cập ngày 25 tháng 2 năm 2016.
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Ameiurus natalis: Brief Summary ( Vietnamese )

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Cá da trơn vàng (Danh pháp khoa học: Ameiurus natalis; natalis, tiếng Latin, có nghĩa là "có mông lớn") là một loài cá da trơn trong họ cá nheo Bắc Mỹ Ictaluridae, phân bố ở Bắc Mỹ trong đó tập trung tại Mỹ, phạm vi phân bố khắp miền trung và miền đông Hoa Kỳ từ trung tâm Texas, phía bắc thành Bắc Dakota, và phía đông thông qua khu vực Great Lakes đến Bờ Đông. Tại Minnesota, chúng được tìm thấy trên các phần phía đông và trung tâm của bang. Chúng được coi là một con cá câu thể thao cỡ nhỏ, chúng cũng có thể được đưa vào các dòng có độ ô nhiễm cao vì sự dễ tính cao của chúng nơi ô nhiễm.

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黃鮰 ( Chinese )

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二名法 Ameiurus natalis
Lesueur, 1819

黃鮰輻鰭魚綱鯰形目北美鯰科的其中一,分布於美國紐約州墨西哥北部的淡水流域,體長可達47公分,棲息在流動緩慢的溪流、湖泊、池塘,可作為遊釣魚。

參考文獻

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黃鮰: Brief Summary ( Chinese )

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黃鮰為輻鰭魚綱鯰形目北美鯰科的其中一,分布於美國紐約州墨西哥北部的淡水流域,體長可達47公分,棲息在流動緩慢的溪流、湖泊、池塘,可作為遊釣魚。

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