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Hemibagrus spilopterus NG & RAINBOTH, 1999

March 13th, 2012 — 1:21pm

This species is relatively common in the aquarium trade but has been widely misidentified as the congener H. nemurus which is native to Java and may never have been exported for ornamental purposes.

Hemibagrus has been divided into a number of putative species groups which may or may not rep…

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Barbonymus altus (GÜNTHER, 1868)

Red-tailed Tinfoil Barb

March 13th, 2012 — 1:21pm

This is one of two species sold with the common/trade name of "tinfoil barb", the other being the more widely-recognised B. schwanenfeldii. Despite this it appears that B. altus is just as widely available as B. schwanenfeldii and in many cases is seen on sale more regularly. Unfortunately both are usually offered at a small size (usually around 2 – 3"/5 – 7.5cm) with little to no information regarding the eventual size of the fish. Although B. altus is the …

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Hemibagrus wyckioides (FANG & CHAUX, 1949)

Asian Red Tailed Catfish

March 13th, 2012 — 1:21pm

Juvenile specimens are sometimes available in the aquarium trade although their purchase is strongly discouraged, and this species probably shouldn’t ‚ be considered a home aquarium‚ subject at all given its eventual size plus the fact it can live for‚ several decades.

H. wyckioides can be told apart from mos…

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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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Chitala blanci (D'AUBENTON, 1965)

Royal Featherback

March 13th, 2012 — 1:20pm

This species is also referred to as ‘royal knifefish’ in the aquarium trade but arguably has no place in the ornamental hobby given its adult size and specialised requirements.

It can be distinguished from congeners by presence of many small, dark spots on the anterior portion of the body which merge to form oblique, irregular stripes extending onto the anal and caudal fins posteriorly.

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Syncrossus helodes (SAUVAGE, 1876)

Banded Tiger Loach

March 13th, 2012 — 1:20pm

This species is sometimes confused with S. hymenophysa, native to the Greater Sunda Islands and Peninsular Malaysia, but differs in several ways, the most immediately identifiable of which are possession of small, irregular, dark markings in the lower half of the body and lack of a dark spot in the dorsal-fin. It also has 10-12 vertical body bars…

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Yasuhikotakia eos (TAKI, 1972)

Sun Loach

March 13th, 2012 — 1:20pm

Y. eos isn't as commonly-traded as it once was but is still available occasionally. It's difficult to confuse with any other member of the genus due to its colour pattern consisting of yellow to reddish brown base body colour (can appear greyish in some specimens, especially post-import or when introduced to a new aquarium) with a metallic green/blue golden sheen and large darkish marking on either side of the caudal peduncle. The fins can be yellowish to reddish, and the dorsal and c…

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Yasuhikotakia modesta (BLEEKER, 1864)

Redtail Loach

March 13th, 2012 — 1:20pm

This species is one of the more commonly-encountered botiids in the hobby and is also sold as ‘blue’, ‘orange-finned’, or ‘red-finned’ botia/loach. It’s sometimes subject to artificial colouring with bright blue or purple dyes and we strongly recommend you do not purchase such fish (they’re illegal in several countries).

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Yasuhikotakia lecontei (FOWLER, 1937)

Silver Loach

March 13th, 2012 — 1:20pm

This species is sometimes confused with Y. modesta though in reality the two are readily distinguishable from one another by body shape since Y. lecontei is a slimmer, more elongate fish.

Further, in Y. lecontei the overall body colouration is usually brownish with a gold/green sheen and the dark markings…

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Yasuhikotakia morleti (TIRANT, 1855)

Skunk Loach

March 13th, 2012 — 1:20pm

This species is common in the hobby and also sold as 'skunk botia' or 'Hora's loach', the latter in reference to Botia horae Smith, 1931, currently considered a synonym of Y. morleti. It's similar in appearance to the rarely-seen Y. longidorsalis but can be told apart by the fact it has a dark stripe running over the dorsal surface (this giving rise to the vernacular name 'skunk loach') which is lacking in its relative.

The two can be further separated…

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