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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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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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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Manduba
March 13th, 2012 — 1:26pm
The genus Ageneiosus was at one point classified in the family Ageneiosidae alongside the genus Tetranematichthys, but this was not accepted by all authors. The grouping remains poorly-studied with the last major revision having been conducted by Watson (1990) in his unpublished dissertation, in which A. inermis was included under the currently synonymous name A. brevifilis. It can be separated from the majority of the genus (except A. marmoratus) by possession of a truncate caudal fin, and from…
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Twig Catfish
March 13th, 2012 — 1:23pm
Although often sold as the closely related F. acus (a species that is highly endangered and imported very rarely, if at all), F. vittata is the most common representative of the genus in hobbyists' tanks. The easiest way to distinguish the two is by comparing the shape of the rostrum, which is longer and more slender in vittata, although there are also differences in the arrangement of the ventral scutes. They are adapted for life among peripheral vegetation and tree roots along the edges o…
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Midnight Catfish
March 13th, 2012 — 1:22pm
This species is also known by the alternative vernacular name of ‘Zamora woodcat’, and is often misidentified as A. thoracatus. The latter is a valid species and very similar to A. coracoideus in that the coracoid bone is exposed ventrally and covered only by a thin layer of integument in both species. The two differ principally in the number of anal fin rays…
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Bottlenose Catfish
March 13th, 2012 — 1:22pm
This species may also be seen on sale as 'Guyana slopehead catfish' 'dolphin catfish' or 'hammerhead catfish'. The attractive juvenile patterning is largely lost as the fish grow but this nevertheless remains an impressive predatory species for the larger aquarium.
The genus Ageneiosus was at one point classified in the family Ageneiosidae alongside the genus Tetranematichthys, but this was not accepted by all…
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March 13th, 2012 — 1:22pm
P. apogon has formerly been placed within the genera Kryptopterus, Micronema (Rainboth, 1996) and more recently Phalacronotus (Ferraris, 2007) and is an important food fish across much of its native range.
It’s very similar to P. micronema but can be told apart by its longer head (HL fits 4.6± 5.3 times in…
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Striped Glass Catfish
March 13th, 2012 — 1:22pm
Has been recorded in fast-flowing environments but most commonly associated with peat swamp forests and associated blackwater streams.
Many such habitats have suffered degradation of some kind but in unaltered cases the dense canopy of branches above means very little light penetrates the surface of such environments, and riparian vegetation also tends to grow thickly.
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Glass Catfish
March 13th, 2012 — 1:22pm
This species has been available in the trade for decades during which time it’s been widely misidentified as the valid congeners K. bicirrhis or, more recently, K. minor.
Its identity was not resolved until early 2013 meaning you will find it under one of these two names in the majority of literature published prior to that date.
Other trade names include ‘Asia…
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