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Phalacronotus apogon (BLEEKER, 1851)

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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Kryptopterus vitreolus NG & KOTTELAT, 2013

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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Kryptopterus cryptopterus (BLEEKER, 1851)

Blue Sheatfish

March 13th, 2012 — 1:22pm

Known from the Malay Peninsula and Singapore plus Greater Sunda Islands of Sumatra, Borneo and Java in Indonesia with populati0ns from Thailand, Cambodia, Laos and Vietnam formerly considered as conspecific now referred to K. geminus (Ng, 2003).

Type locality is given as ‘Bandjarmassing’ which corresponds to a town now more commonly referred to as ‘Banjarmasin’ in South Kalimantan (Kalimantan Selatan) province, Indonesia (Borneo).

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Kryptopterus macrocephalus (BLEEKER, 1858)

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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Acanthicus adonis ISBRÜCKER & NIJSSEN, 1988

Polka Dot Lyre Tail Pleco

March 13th, 2012 — 1:22pm

Despite its patent unsuitability as an aquarium subject attractively-coloured juvenile specimens of this species are traded in quite large numbers, although the scarcity of privately-maintained adults would suggest that most fail to reach their potential. The striking, spotted patterning also disappears as this species matures, and since it also becomes increasingly bellligerent with age it can only be recommended to owners of the largest private aquaria or tropical ponds. There exists an albino…

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Ariopsis seemanni (GÜNTHER, 1864)

Colombian Shark Catfish

March 13th, 2012 — 1:22pm

This species is not recommended to those lacking the facilities to house it for life. Sadly it’s all too often seen for sale as an attractive, silvery 2-3″ juvenile, supposedly suitable for the general freshwater community tank. To make matters worse, it is also usually given an ‘alluring’ name such as ‘black-finned’ or ‘silvertip’ shark catfish. The fate of the majority of these specimens is in all likelihood a depressing one.

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Megalechis picta (MÜLLER & TROSCHEL, 1849)

Bar-tailed Hoplo

March 13th, 2012 — 1:22pm

This species was previously referred to as M. thoracata, but that name is now applied to the species with a relatively short dorsal-fin spine which was formerly known as M. personata.

M. picta can be told apart from M. thoracata by presence of a dark vertical bar in the caudal-fin, a comparatively longer dorsal-fin spine (52.0-64.0% vs. 32.0-48.0% of dorsal-fin base in specimens measur…

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Akysis maculipinnis FOWLER, 1934

March 13th, 2012 — 1:22pm

This species has been exported for the aquarium hobby and ranks among the smaller members of the family. It can be differentiated from all other Akysis species by the following combination of characters: head length 22.0-28.6% of standard length (SL); caudal peduncle depth 8.8-10.7% of SL; anal-fin base length 15.2-19.1% of SL; eye diameter 12-16% of head length (HL); nasal barbel length 57 92% of HL; posession of 3-4 serrae on the posterior edge ofspine; body patterning mottled with indistinct …

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Acrochordonichthys rugosus (BLEEKER, 1846)

Asian Banjo Catfish

March 13th, 2012 — 1:21pm

This is the most commonly-encountered representative of the genus in the aquatic trade though is by no means common. As in other members of the genus body colouration is highly variable, even among individuals collected from a single locality, although a few useful regularities have been observed which can be used to distinguish certain species. This is thought related to the fact that Acrochordonichthys spp. periodically shed their skins and appear paler post-moulting.

A. rugosus lends its …

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Batasio tigrinus NG & KOTTELAT, 2001

March 13th, 2012 — 1:21pm

Members of the genus Batasio are characterised by the following combination of characters; laterally-compressed body shape; presence of large sensory pores on the head; a narrow mental region; a pair of prominent posterior processes on the anterior portion of the vomer; a transversely elongated, bar-like entopterygoid; close contact between the metapterygoid and quadrate.

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