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Diagnostic Description

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Median longitudinal stripe or row of adjacent black spots on the body, with an unpigmented stripe above it (color pattern may become obscured or faint in larger specimens) (Ref. 43281). Caudal fin with 5-6 indistinct or irregular bars (Ref. 12693).
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Recorder
Armi G. Torres
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Biology

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Inhabits slow-moving, shallow waters of canals and inundated floodplains (Ref. 12693), usually on or in muddy substrates (Ref. 43281). Lives in swamps and rivers including peats (Ref. 57235). Also found in mountain streams, preferring sandy or gravelly bottom (Ref. 51717). Occurs in running waters of lower Mekong (Ref. 36667). Preferred food is zooplankton but occasionally feeds on some algae. Not seen in markets (Ref. 12693).
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Christine Marie V. Casal
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Lepidocephalichthys hasselti

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Lepidocephalichthys hasselti is a species of cobitid loach native to southeastern Asia and western Indonesia. This species reaches a length of 45 millimetres (1.8 in) TL.

Named in honor of Dutch physician and biologist Johan Coenraad van Hasselt (1797-1823), who while exploring the colonial Dutch East Indies in 1820 provided an illustration of this species. Hasselt traveled with his friend Heinrich Kuhl.[5]

Diagnosis

According to Kottelat & Lim 1992, L. hasselti is distinguished from other described species of Lepidocephalichthys in Southeast Asia in usually having an ocellated black spot centered at base of branched caudal rays 3-4; or it replaced by black or darker area. Its size is up to 45 mm SL; body with a median longitudinal stripe or a row of adjacent black spots, with an unpigmented stripe above it, back marmorated, finely spotted or blotched. Caudal fin with series (usually 3-6) of vertical bars; dorsal origin above posterior extremity of pelvic base.[6]

Range and conservation status

It has a widespread distribution: Burma, Thailand, Laos, Cambodia, Vietnam, and Yunnan; southward through Peninsular Malaysia to western Indonesia (Sumatra, Borneo and Java). IUCN listed it as LC (Least Concern).[7]

Footnotes

  1. ^ Kottelat, M. (2012): Conspectus cobitidum: an inventory of the loaches of the world (Teleostei: Cypriniformes: Cobitoidei). Archived 2013-02-11 at the Wayback Machine The Raffles Bulletin of Zoology, Suppl. No. 26: 1-199.
  2. ^ Cuvier, G. & A. Valenciennes. 1846. Histoire naturelle des poissons. Tome XVIII: 74. Paris :Chez P. Bertrand, Libraire de la Société Géologique de France.
  3. ^ Bleeker, P. 1860. Ichthyologiae Archipelagi Indici Prodromus vol. II Cyprini: 71. Bataviae: Typis Langei &soc. (English transl.)
  4. ^ Roberts, T.R.. 1993. "The freshwater fishes of Java, as observed by Kuhl and van Hasselt in 1820-2." Zoologische Verhandelingen (Leiden), 285: 25, & Fig. 28.
  5. ^ Christopher Scharpf & Kenneth J. Lazara (22 September 2018). "Order CYPRINIFORMES: Families BOTIIDAE, VAILLANTELLIDAE and COBITIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 17 March 2021.
  6. ^ Kottelat, M. & K.K.P. Lim. 1992. "A synopsis of the Malayan species of Lepidocephalichthys, with descriptions of two new species (Teleostei: Cobitidae)". Raffles Bulletin of Zoology 40(2): 201-220.
  7. ^ Allen, D. 2013. Lepidocephalichthys hasselti. The IUCN Red List of Threatened Species. Version 2014.3. . Downloaded on 25 February 2015.

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Lepidocephalichthys hasselti: Brief Summary

provided by wikipedia EN

Lepidocephalichthys hasselti is a species of cobitid loach native to southeastern Asia and western Indonesia. This species reaches a length of 45 millimetres (1.8 in) TL.

Named in honor of Dutch physician and biologist Johan Coenraad van Hasselt (1797-1823), who while exploring the colonial Dutch East Indies in 1820 provided an illustration of this species. Hasselt traveled with his friend Heinrich Kuhl.

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