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Brachygobius xanthozonus (BLEEKER, 1849)

November 14th, 2012 — 12:11pm

B. xanthozonus can be considered something of an enigma since its name has been widely misapplied in aquarium literature for decades, when in reality it’s probably never been exported for the ornamental trade.

The majority of fish seen labelled as such are either B. doriae or B. sabanus, themselves often misidentified.

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Pangio oblonga (VALENCIENNES, 1846)

Black Kuhli Loach

March 13th, 2012 — 1:25pm

Described from close to the city of Bogor, Jawa Barat (West Java) province on the island of Java, Indonesia, but currently considered widespread with recorded occurrences on Java, Sumatra, Borneo and mainland Peninsular Malaysia. Some populations exhibit lighter…

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Pangio cuneovirgata (RAUT, 1957)

March 13th, 2012 — 1:25pm

Infrequently encountered in the aquarium trade, most often as bycatch among shipments of similar-looking congeners. It’s included in the P. kuhlii group of closely-related species within the genus, and can be distinguished from other members by…

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Lepidocephalus macrochir (BLEEKER, 1854)

March 13th, 2012 — 1:25pm

The distribution records for this species are somewhat confusing. It was described from the confluence of the Lamatang and Enim rivers, Palambang Province, Sumatra and has since been recorded from Thailand (Chao Phraya River), Peninsular Malaysia (Pahang River) plus the islands of Java (Solo River) and Borneo (Kapuas and Barito rivers).

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Balitoropsis zollingeri (BLEEKER, 1853)

March 13th, 2012 — 1:25pm

An obligate dweller of swiftly-flowing streams and headwaters containing clear, oxygen-saturated water. It often inhabits riffles and runs and is likely to show a preference for shallower zones. Substrates are generally composed of gravel, rocks, boulders or bedrock carpeted with a rich biofilm formed by algae and other micro-organisms.

Juveniles are often found in slower-moving stretches with gravel substrate and submerged tree roots. In both cases patches of aquatic plants are only occasionally pres…

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Lepidocephalichthys hasselti (VALENCIENNES, 1846)

March 13th, 2012 — 1:25pm

At one locality close to Ban Na Hwai, Chiang Mai Province, Thailand L. hasselti was collected from a shallow (<0.5 m) pool in a swampy zone between forest and rice fields. The substrate was of mud, there was no aquatic vegetation and it was being used as drinking water by local animals, with the only effluent connected to a 'small creek'. Other species found there were Physoschistura pseudobrunneana, Rasbora hobelmani and Systomus cf. orphoides.

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Oryzias javanicus (BLEEKER, 1854)

Javanese Ricefish

March 13th, 2012 — 1:25pm

This species is widely-distributed throughout Peninsular Thailand, Malaysia (Malay Peninsula plus the states of Sabah and Sarawak, Borneo), Singapore and Indonesia, with records from the Riau Archipelago, Sumatra, Java, Borneo, Bali, Lombok, and Sulawesi existing in the latter. Type locality is ‘Panimbang River, Perdana, Indonesia’.

It’s typically found in coastal, normally brac…

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Acantopsis dialuzona VAN HASSELT, 1823

Horse Face Loach

March 13th, 2012 — 1:25pm

Juveniles of this 'species' (probably a group of species – see 'distribution') are traded in large numbers but it's still uncommon to see adult specimens in the hobby suggesting their needs are not catered for often enough. This is a shame as when maintained properly they're hardy, long-lived and interesting aquarium residents. Other trade names include 'long-nosed' and 'banana' loach. Please note although certain that more than one species is being tr…

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Systomus orphoides (VALENCIENNES, 1842)

March 13th, 2012 — 1:24pm

The genus Puntius is currently viewed as something of a catch-all for well over 100 species of small to mid-sized cyprinid. Most experts agree that a full revision is required with the likely outcome that many species will be placed into new or different genera since it is clearly polyphyletic.

When describing the grouping in 1822 Hamilton identified the defining characteristics as: presence or absence o…

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Helostoma temminkii CUVIER, 1829

Kissing Gourami

March 13th, 2012 — 1:18pm

The pinkish-white form of this species is among the most widely-traded aquarium fishes in the world but does not occur naturally and is in fact a leucistic variant bred specifically for ornamental purposes. The 'short-bodied' or 'balloon' variety also continues to be fashionable but under no circumstances do we recommend the purchase of these intentionally disfigured animals which tend to have much shorter life spans than the naturally-shaped fish. There also exists a less-po…

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