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Akysis vespertinus NG, 2008

Western Stream Catfish

March 13th, 2012 — 1:26pm

This species is exceptionally rare in the aquarium trade and can be distinguished from congeners by the following combination of characters: snout narrow with head appearing triangular as a resul…

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Akysis longifilis NG, 2006

Sittaung Stream Catfish, Rautenflecken-Zwergwels (DE)

March 13th, 2012 — 1:26pm

This species is among the few members of the family to have been exported for the aquarium hobby. It can be differentiated from all other Akysis species by the following combination of characters: base of…

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Akysis portellus NG, 2009

Smallmouth Stream Catfish, Rautenflecken-Zwergwels (DE)

March 13th, 2012 — 1:26pm

This species is among the few members of the family to have been exported for the aquarium hobby. It can be differentiated from all other Akysis species by the following combination of characters: base ofmeasures 17.1-19.2% of standard length (S…

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Akysis prashadi HORA, 1936

Indawgyi Stream Catfish, Prashad's Stream Catfish

March 13th, 2012 — 1:26pm

This species is among the few members of the family to be exported for the aquarium hobby though is by no means common. It can be differentiated from a…

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Akysis vespa NG & KOTTELAT, 2004

Orange-Banded Stream Catfish, Wasp Stream Catfish, Wespenwels (DE)

March 13th, 2012 — 1:26pm

This species is among the few members of the family to be exported for the aquarium hobby and we’ve also seen it on sale under various names such as ‘orange-banded stone catfish’, ‘orange micro bumblebee catfish’, ‘Burmese orange mini bee catfish’ or more simply ‘wasp catfish’. Though the majority of forms are yellowish to orange in colouration there appears to exist a bright red variant which to date we’ve only seen in photos.

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Akysis pulvinatus NG, 2007

Kra Stream Catfish

March 13th, 2012 — 1:26pm

This species has been exported for the aquarium hobby on an extremely limited basis. It can be differentiated from all other Akysis species by the following combination of characters: head length 27.6–29.8% of standard length (SL); head width 21.9–25.1% SL; caudal peduncle depth 9.4–10.3% SL; length ofbase 23.0–25.2% SL; nasal barbel len…

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Akysis varius NG & KOTTELAT, 1998

Variable Stream Catfish

March 13th, 2012 — 1:26pm

This species is among the smaller members of the family. It can be differentiated from all other Akysis species by the following combination of characters: caudal peduncle length 16.1-19.8% of standard length (SL); caudal peduncle depth 6.5-9.3% SL; length of adipose-fin base 25.6-29.5% SL; interorbital distance 42.0-46.0% of head length (HL), eye diameter 13.0-20.0% HL; length of nasal barbel 44.0-66.0% HL; lateral margins of the head appear straight when viewed from above; possession of 0-5 se…

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Acrochordonichthys gyrinus VIDTHAYANON & NG, 2003

Falcate Chameleon Catfish

March 13th, 2012 — 1:26pm

As in other members of the genus body colouration in this species is variable, even among individuals collected from a single locality, although a few regularities have been observed which can be used to distinguish certain species from one another. This is thought related to the fact that Acrochordonichthys spp. periodically shed their skins and appear paler post-moulting.

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Akysis hendricksoni ALFRED, 1966

Hendrickson's Stream Catfish

March 13th, 2012 — 1:26pm

This species is among the few members of the family to have been exported for the aquarium hobby. It can be differentiated from all other Akysis species by the following combination of characters: head length 17.7-26.5% of standard length (SL); head width 25.4-28.7% SL; body depth at anus 13.0-17.0% SL; caudal peduncle depth 8.1-10.1% SL; interorbital di…

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Acrochordonichthys septentrionalis NG & NG, 2001

Mae Klong Chameleon Catfish

March 13th, 2012 — 1:26pm

As in other members of the genus body colouration in this species is variable, even among individuals collected from a single locality, although a few regularities have been observed which can be used to distinguish certain species from one another. This is thought related to the fact that Acrochordonichthys spp. periodically shed their skins and appear paler post-moulting.

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