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Leptobarbus hoevenii (BLEEKER, 1851)

Mad Barb

November 2nd, 2014 — 5:17pm

Apparently native to Peninsular Malaysia plus the Greater Sunda Islands of Borneo, Sumatra, and Java. Reports of this species from the Mekong, Chao Phraya, and other rivers in Indochina refer to the congener L. rubripinna (see ‘Notes’).

Type locality is ‘Indonesia: Borneo: Kalimantan Selatan: Banjarmasin’.

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Cyclocheilos enoplos (BLEEKER, 1849)

October 13th, 2014 — 8:47pm

In the Mekong, it has been observed to migrate upstream from Phnom Penh to Khone Falls between November and February, returning downstream between May and August. The downstream migration ends in the Mekong delta area in Vietnam, where the fish remain until the floods reach their peak in October and November. These lower Mekong migrations mostly comprise juveniles and sub-adults, whereas above Khone Falls…

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Kryptopterus palembangensis (BLEEKER, 1852)

April 5th, 2013 — 9:05am

This species is almost unheard of in the aquarium trade though may occasionally be exported among shipments of wild fishes from Sumatra.

It’s closely-related to K. bichirris but is told apart by presence (vs. absence) of a prominent, dark lateral stripe on each flank.

Kryptopterus species are found only in Southeast Asia and the genus has been consi…

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Rasbora tornieri AHL, 1922

March 22nd, 2013 — 9:52am

Type locality is ‘Central Sumatra, Indonesia’, with additional records existing from Cambodia (Mekong drainage), Peninsular Malaysia (Perak River), Sumatra (from the Siak River, Riau province to the Musi River, South Sumatra (Sumatera Selatan) province) and Borneo (south and westwards from the Belait river basin in Brunei Darussalam to the Sambas drainage in West Kalimantan (Kalimantan Barat) province, Indonesia and probably in Sarawak, Malaysia).

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Betta pardalotos TAN, 2009

April 30th, 2012 — 4:58pm

This species is included in the Betta waseri group/complex of closely-related species within the genus, an assemblage which also includes a handful of unidentified fishes such as B. sp. ‘Medas’ on an unofficial basis. Group members share the following combination of characters: base body colouration clay yellow; opercle scales iridescent gold in mature males of all species except …

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Pangio semicincta (FRASER-BRUNNER, 1940)

'Kuhli' Loach

March 13th, 2012 — 1:25pm

This species is among the most frequently-misidentified in the hobby, almost always being traded as P. kuhlii. However the latter is currently considered endemic to Java, from where commercial collections are almost unheard of, and has possibly never been seen in aquaria.

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Luciosoma spilopleura BLEEKER, 1855

March 13th, 2012 — 1:23pm

This species is poorly known in general and is not present in the ornamental trade, although its name is widely misapplied to other Luciosoma species. Its congeners are mostly marketed as ‘apollo shark’, ‘shark minnow’, or similar, and often labelled with incorrect scientific names.

Identification of the fish pictured here is based on Bleeker (1855, 1860) and Roberts (1989), plus drawings by Bleeker, thus…

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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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Hemibagrus wyckii (BLEEKER, 1858)

Crystal-eyed Catfish

March 13th, 2012 — 1:21pm

Aggressively territorial and incompatible with other fishes in all but the largest public installations and even then may attack its tankmates.

It’s also one of few freshwater fishes that appear unafraid of humans meaning care must be exercised when performing maintenance.

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Chromobotia macracanthus (BLEEKER, 1852)

Clown Loach

March 13th, 2012 — 1:20pm

This species is arguably one of the most misunderstood in the hobby since it's wholly unsuitable for smaller aquaria despite its ubiquitous availability. Most retailers sell it without providing what should be considered essential information regarding long-term care and most specimens undoubtedly fail to reach their potential in captivity. The purchase of a group is also a considerable investment given that if properly cared for typical life span is in excess…

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