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Amazonspinther dalmata Bührnheim, Carvalho, Malabarba & Weitzman 2008

Morphology

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Dorsal soft rays (total): 11; Analsoft rays: 11
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Recorder
Armi G. Torres
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Diagnostic Description

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The presence of three conspicuous black blotches on the base of the dorsal, anal, and caudal fins separates this species from all characid species. Distinguished from all other species of the Cheirodontinae by two uniquely derived characters, the anteriormost proximal radial of the anal fin with an anteriorly extended lamina entering the abdominal cavity, between the distal portions of the 12th to 14th pleural ribs and by the extremely elongate caudal peduncle 27.3-30.2% SL. Can be further diagnosed by having ventral procurrent caudal-fin rays 7-9 and hemal spines of one, two or sometimes three posterior caudal vertebrae directly articulating with the ventral procurrent caudal-fin rays (Ref. 79887).Description: D ii,9; A iii,8; P i10; V i+5+i ; row of longitudinal scales 32; scales between lateral line and pelvic-fin origin 3, 4; precaudal vertebrae including Weberian apparatus 15 (Ref. 79887).
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Biology

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The type locality has slow current, muddy substratum, and silty, turbid water with abundant riparian vegetation and with maximum depth of 1.3 m. Also collected in a perceptible current with some submerged vegetation, transparent water, sandy and muddy substratum and riparian vegetation (Ref. 79887).
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Amazonspinther dalmata ( Catalan; Valencian )

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Amazonspinther dalmata és una espècie de peix de la família dels caràcids i de l'ordre dels caraciformes.

Morfologia

  • Els mascles poden assolir 2 cm de llargària total.[3]

Hàbitat

Viu a zones de clima tropical.[3]

Distribució geogràfica

Es troba a Sud-amèrica: conques dels rius Purus i Madeira al Brasil.[3]

Referències

  1. Bührnheim, C.M., Carvalho, T.P., Malabarba, L.R. & Weitzman, S.H. 2008. A new genus and species of characid fish from the Amazon basin - the recognition of a relictual lineage of characid fishes (Ostariophysi: Cheirodontinae: Cheirodontini). Neotropical Ichthyology, 6 (4): 663-678.
  2. Bührnheim, C.M., Carvalho, T.P., Malabarba, L.R. & Weitzman, S.H. 2008. A new genus and species of characid fish from the Amazon basin - the recognition of a relictual lineage of characid fishes (Ostariophysi: Cheirodontinae: Cheirodontini). Neotropical Ichthyology, 6 (4): 663-678.
  3. 3,0 3,1 3,2 FishBase (anglès)


Bibliografia


Enllaços externs

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Amazonspinther dalmata: Brief Summary ( Catalan; Valencian )

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Amazonspinther dalmata és una espècie de peix de la família dels caràcids i de l'ordre dels caraciformes.

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Amazonspinther dalmata ( German )

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Amazonspinther dalmata ist ein Süßwasserfisch aus der Familie der Echten Salmler (Characidae) im Einzugsgebiet des Rio Purus und des Rio Madeira im brasilianischen Amazonasgebiet.[1]

Merkmale

Die Art wird lediglich 2 cm lang und hat einen schlanken, langgestreckten Körper mit einem langen Schwanzstiel, der 27 bis 30 % der Standardlänge einnimmt. Sie ist fast durchsichtig und Wirbelsäule und Schwimmblase sind gut zu sehen. Von allen anderen Salmlerarten lässt sie sich leicht anhand von je einem schwarzen Fleck an der Basis von Rücken-, After- und Schwanzflosse unterscheiden. Deshalb wurde das Art-Epitheton dalmata gewählt, das auf die gefleckte Hunderasse der Dalmatiner (port. Dálmata) verweist. Ein weiteres Merkmal, das sich bei keiner anderen Salmlerart findet, ist der vorderste Flossenstrahl der Afterflosse, der zwischen der zwölften und der vierzehnten Bauchrippe bis in die Bauchhöhle reicht. Hämalstacheln sind bei einer, zwei, manchmal auch bei drei hinten liegenden Schwanzwirbeln vorhanden. Sie artikulieren direkt mit den ventralen (bauchseitigen) Vorstrahlen der Schwanzflosse. Rücken- und Afterflosse werden von jeweils elf Flossenstrahlen gestützt.[1]

Lebensraum

Amazonspinther dalmata wurde bisher in Gewässern mit langsam strömendem, trüben oder klaren Wasser gefangen. Der Gewässerboden war schlammig oder sandig, und es waren reichlich Ufervegetation und Unterwasservegetation vorhanden. Begleitfische sind Axelrodia lindeae, Iguanodectes spp., Microschemobrycon geisleri, Tyttocharax madeirae, Gnathocharax steindachneri, Phenacogaster beni, Hemigrammus sp., Knodus sp., Odontocharacidium aphanes, Elachocharax pulcher, Ammocryptocharax elegans und Microcharacidium sp.[1]

Systematik

Art und Gattung wurden 2008 durch den US-amerikanischen Fischkundler Stanley H. Weitzman und Kollegen beschrieben und dabei der Unterfamilie Cheirodontinae innerhalb der Familie der Echten Salmler (Characidae) zugeordnet.[1] Später ergab eine phylogenetische Analyse der Characidae, das Amazonspinther zusammen mit der Gattung Spintherobolus basal zu den meisten anderen Echten Salmler steht.[2] Mitte 2018 wurde die Unterfamilie Spintherobolinae mit den Gattungen Amazonspinther, Atopomesus und Spintherobolus eingeführt.[3]

Belege

  1. a b c d Buhrmheim, C.M., T.P. Carvalho, L.R. Malabarba and S.H. Weitzman, 2008. A new genus and species of characid fish from the Amazon basin - the recognition of a relictual lineage of characid fishes (Ostariophysi: Cheirodontinae: Cheirodontini). Neotropical Ichthyology 6(4):663-678. doi: 10.1590/S1679-62252008000400016
  2. Bruno F. Melo, Ricardo C. Benine, Gabriel S.C. Silva, Gleisy S. Avelino, Claudio Oliveira: Molecular phylogeny of the Neotropical fish genus Tetragonopterus (Teleostei: Characiformes: Characidae). Molecular Phylogenetics and Evolution, November 2015, doi:10.1016/j.ympev.2015.10.022
  3. Juan Marcos Mirande (2018): Morphology, molecules and the phylogeny of Characidae (Teleostei, Characiformes). Cladistics, Juni 2018. doi: 10.1111/cla.12345

Weblinks

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Amazonspinther dalmata: Brief Summary ( German )

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Amazonspinther dalmata ist ein Süßwasserfisch aus der Familie der Echten Salmler (Characidae) im Einzugsgebiet des Rio Purus und des Rio Madeira im brasilianischen Amazonasgebiet.

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Amazonspinther dalmata ( Spanish; Castilian )

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Amazonspinther dalmata es una especie de peces de la familia Characidae en el orden de los Characiformes, es la única especie del género Amazonspinther.

Morfología

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

Hábitat

Vive en zonas de clima tropical.

Distribución geográfica

Se encuentran en Sudamérica: cuencas de los ríos Puru y Madeira en Brasil.

Referencias

  1. FishBase (en inglés)

Bibliografía

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Amazonspinther dalmata: Brief Summary ( Spanish; Castilian )

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Amazonspinther dalmata es una especie de peces de la familia Characidae en el orden de los Characiformes, es la única especie del género Amazonspinther.

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Amazonspinther dalmata ( Basque )

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Amazonspinther dalmata Amazonspinther generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Characidae familian.

Banaketa

Erreferentziak

  1. (Ingelesez) FishBase

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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Amazonspinther dalmata: Brief Summary ( Basque )

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Amazonspinther dalmata Amazonspinther generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Characidae familian.

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Amazonspinther dalmata ( Italian )

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Amazonspinther dalmata Bührnheim, Carvalho, Malabarba & Weitzman, 2008, è un piccolo pesce d'acqua dolce appartenente alla famiglia Characidae, sottofamiglia Cheirodontinae[1].

Diffusione e habitat

Questa specie è diffusa nei bacini idrografici dei fiumi Rio Purus and Rio Madeira in Brasile, in acque lente, con fondale fangoso, ricche di vegetazione sommersa.

Descrizione

A. dalmata presenta un corpo snello e allungato, idrodinamico, compresso ai fianchi, con piccole pinne triangolari. La livrea prevede un corpo bianco-trasparente (che permette la visione del cervello e degli organi interni, racchiusi in un'area argentea) con 3 macchie nere tondeggianti alla radice delle pinne dorsale, anale e caudale, che giustificano il nome scientifico, dalmata appunto.
Raggiunge una lunghezza massima di 2 cm.

Note

  1. ^ Amazonspinther dalmata, scheda su FishBase, su fishbase.org. URL consultato il 22 marzo 2015.

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Amazonspinther dalmata: Brief Summary ( Italian )

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Amazonspinther dalmata Bührnheim, Carvalho, Malabarba & Weitzman, 2008, è un piccolo pesce d'acqua dolce appartenente alla famiglia Characidae, sottofamiglia Cheirodontinae.

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Amazonspinther dalmata ( Dutch; Flemish )

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Vissen

Amazonspinther dalmata is een straalvinnige vissensoort uit de familie van de karperzalmen (Characidae).[1] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 2008 door Bührnheim, Carvalho, Malabarba & Weitzman.

Bronnen, noten en/of referenties
  1. (en) Amazonspinther dalmata. FishBase. Ed. Ranier Froese and Daniel Pauly. 02 2013 version. N.p.: FishBase, 2013.
Geplaatst op:
27-02-2013
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Amazonspinther dalmata ( Portuguese )

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Amazonspinther dalmata ou piaba-dálmata é uma espécie de peixe ornamental, habitante dos rios Madeira e Purus. Os peixes desta espécie não ultrapassam os 20 mm de comprimento, são transparentes e apresentam três pintas negras no seu corpo. A espécie foi descoberta pela cientista da Universidade Federal do Amazonas e da Universidade do Estado do Amazonas Cristina Bührnheim.[1]

Ver também

Notas e referências

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Amazonspinther dalmata: Brief Summary ( Portuguese )

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Amazonspinther dalmata ou piaba-dálmata é uma espécie de peixe ornamental, habitante dos rios Madeira e Purus. Os peixes desta espécie não ultrapassam os 20 mm de comprimento, são transparentes e apresentam três pintas negras no seu corpo. A espécie foi descoberta pela cientista da Universidade Federal do Amazonas e da Universidade do Estado do Amazonas Cristina Bührnheim.

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亞馬遜棘脂鯉 ( Chinese )

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二名法 Amazonspinther dalmata
Bührnheim & , Carvalho, 2008

亞馬遜棘脂鯉,為輻鰭魚綱脂鯉目脂鯉亞目脂鯉科的其中一個,為熱帶淡水魚,分布於南美洲巴西Purus及Madeira河流域,體長可達2公分,棲息在流動緩慢、泥底質且植被生長茂密的溪流,生活習性不明。

参考文献

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亞馬遜棘脂鯉: Brief Summary ( Chinese )

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亞馬遜棘脂鯉,為輻鰭魚綱脂鯉目脂鯉亞目脂鯉科的其中一個,為熱帶淡水魚,分布於南美洲巴西Purus及Madeira河流域,體長可達2公分,棲息在流動緩慢、泥底質且植被生長茂密的溪流,生活習性不明。

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Distribution

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This species inhabits small streams in the mid-portions of the Purus River basin, as well as the middle and lower regions of the Madeira River drainage in Brazil (Bührnheim et al., 2008).
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Benefits

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Importance: Aquarium trade, commercial.
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Morphology

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Amazonspinther dalmata is a miniature fish, and it presents several morphological features usually found in miniaturized species: short and incompletely pored lateral line; on row of tooth in the upper and lower jaws; reduction in the number of cusps; absence of lower gill rakers; and in the number of infraorbital bones (presenting only 3). This species also presents a pseudotympanum. Amazonspinther dalmata has a translucent body in life, making several internal organs visible with naked eyes, like the swimbladder and the guts. Diverging from most of the species of the subfamily Cheirodontinae, Amazonspinther dalmata does not present any sexual dimorphism. The body is slightly elongated, the mouth is terminal to slightly subterminal and the snout is short (Bührnheim et al., 2008).
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Size

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Amazonspinther dalmata is considered a miniature species, once its maximum known size is 19.6 mm of standard length (Bührnheim et al., 2008).
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Diagnostic Description

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Amazonspinther dalmata can be distinguished from characid species by its color pattern, remarkable by the presence of three conspicuous black blotches on the base of the dorsal, anal, and caudal fins (Bührnheim et al., 2008).
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Habitat

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This species inhabits small clear freshwater streams with slow to moderate current. Amazonspinther dalmata was observed in natural habitats with 1 to 1.3 meters deep, muddy or sandy bottom, and both in transparent and turbid waters with abundant riparian and some submerged vegetation (Bührnheim et al., 2008).
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