dcsimg

Life Cycle

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Oviparous, demersal spawner (Ref. 101194). Both male and female spawn with many individuals in small contiguous territories (Ref. 240). Males guard the eggs which are found attached to the walls of brood chamber (Ref. 56079). Simultaneous hermaphrodite with varying allocation of reproductive tissue to male and female function (Ref. 31569). Bi-directional sex change has been confirmed for this species (Ref. 103751).
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Recorder
Philip Munday
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Trophic Strategy

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Found usually in open rocky areas but retreats to crevices or holes or hides among spines of sea urchins when threatened. Territorial. Sits on exposed rock surfaces near a hole or crevice. Feeds mainly on small crustaceans. Female deposits oblong eggs in empty shells; male guards them. Often found with Lythrypnus zebra.
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Drina Sta. Iglesia
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Biology

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Found usually in open rocky areas but retreats to crevices or holes or hides among spines of sea urchins when threatened. Territorial. Sits on exposed rock surfaces near a hole or crevice. Feeds mainly on small crustaceans. Oviparous (Ref. 56079). Males guard the eggs which are found attached to the walls of brood chamber (Ref. 56079). Female deposits oblong eggs in empty shells; male guards them. Often found with Lythrypnus zebra.
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Rainer Froese
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Importance

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aquarium: commercial
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Rainer Froese
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Lythrypnus dalli

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Lythrypnus dalli, commonly known as the blue-banded goby or Catalina goby, is a species of goby. It is native to the eastern Pacific where it is found from Monterey Bay, California to northern Peru, including the Gulf of California.[1] It can be found in coastal waters at depths of from 0 to 76 metres (0 to 249 ft) with rocky substrates in which there are crevices for concealment. It is also known to hide amongst the spines of sea urchins. It is a bidirectional hermaphrodite and capable of rapidly switching sexes.[2] This species can reach a length of 6.4 centimetres (2.5 in) TL. It can also be found in the aquarium trade.[3] The specific name honours the malacologist William Healey Dall (1845-1927), who when trawling for specimens off Catalina Harbour, California, caught one of the type specimens.[4]

References

  1. ^ a b Van Tassell, J.; Lea, R. & Bearez, P. (2010). "Lythrypnus dalli". The IUCN Red List of Threatened Species. 2010: e.T183363A8100277. doi:10.2305/IUCN.UK.2010-3.RLTS.T183363A8100277.en.
  2. ^ Maxfield, Jessica M.; Cole, Kathleen S. (2019-11-01). "Structural changes in the ovotestis of the bidirectional hermaphrodite, the blue-banded goby (Lythrypnus dalli), during transition from ova production to sperm production". Environmental Biology of Fishes. 102 (11): 1393–1404. doi:10.1007/s10641-019-00914-2. ISSN 1573-5133.
  3. ^ Froese, Rainer; Pauly, Daniel (eds.) (2013). "Lythrypnus dalli" in FishBase. June 2013 version.
  4. ^ Christopher Scharpf; Kenneth J. Lazara (14 July 2018). "Order GOBIIFORMES: Family GOBIIDAE (I-p)". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 3 September 2018.

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Lythrypnus dalli: Brief Summary

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Lythrypnus dalli, commonly known as the blue-banded goby or Catalina goby, is a species of goby. It is native to the eastern Pacific where it is found from Monterey Bay, California to northern Peru, including the Gulf of California. It can be found in coastal waters at depths of from 0 to 76 metres (0 to 249 ft) with rocky substrates in which there are crevices for concealment. It is also known to hide amongst the spines of sea urchins. It is a bidirectional hermaphrodite and capable of rapidly switching sexes. This species can reach a length of 6.4 centimetres (2.5 in) TL. It can also be found in the aquarium trade. The specific name honours the malacologist William Healey Dall (1845-1927), who when trawling for specimens off Catalina Harbour, California, caught one of the type specimens.

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