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Schistura spilota (FOWLER, 1934)

March 13th, 2012 — 1:25pm

Not a commonly species in the aquarium hobby but sporadically available in shipments of wild fishes from Thailand.

Following Kottelat (1990) it’s a member of a group of species possessing a complete or near-complete lateral line, 8 ½ branched dorsal-fin rays, 17 branched caudal-fin rays and lacking sexual dimorphism (the latter is not strictly true – see above).

Its colour pattern is quite distinctive, howe…

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Schistura alticrista KOTTELAT, 1990

March 13th, 2012 — 1:25pm

This species is very rare in the aquarium trade but available on occasion. It has 8-9 darkish body bars which usually split vertically as the fish mature, and like some conspecifics possesses a prominent dorsal adipose crest on the caudal peduncle.

Schistura is the most species-rich genus among…

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Schistura maepaiensis KOTTELAT, 1990

March 13th, 2012 — 1:25pm

The type locality originally consisted of a shallow (0.5 – 1.5 m deep) stream with a substrate of rocks and boulders and flow varying from ‘moderate to swift’.

When the holotype was collected there in 1980 sympatric species included Acanthocobitis zonalternans, Puntius orphoides, Pethia ticto, Raiamas guttatus, Barilius barnoides, Mystacoleucus argenteus and Mastacembelus armatus plus unidentified members of Crossocheilus an…

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Gastromyzon sp. 'SK01'

March 13th, 2012 — 1:25pm

This undescribed species has probably not been seen in the aquarium trade yet but is occasionally maintained private collectors. The ‘SK’ numbering system used here refers to ‘South Kalimantan’, home to several unidentified members of the genus.

Gastromyzon spp. are placed into various ‘species groups’ (artificial assemblages of species which may or may not be monophyletic) for ease of reference, and based on colour and patterning G. sp. ‘SK01’ appears similar to members of the G. ridens group which also includes G. crenastus, G. stellatus and G. zebrinus.

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Gastromyzon sp. 'SK04'

March 13th, 2012 — 1:25pm

For long-term success it’s best to provide a mature aquarium with a plentiful supply of algae-covered rocks and other surfaces. If unable to grow sufficient algae in the main tank or you have a community containing numerous herbivorous fishes which consume what’s available quickly it may be necessary to maintain a separate tank in which to grow algae on rocks and switch them with those in the main tank on a cyclical basis.

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Gastromyzon sp. 'SK02'

March 13th, 2012 — 1:25pm

Known only from headwaters of the Sungai (river) Amandit, a tributary of the larger Barito basin in the Meratus mountain range, Kalimantan Selatan (South Kalimantan) province, Indonesian Borneo.

There currently exist 36 officially-described members of the genus, all of which are endemic to the island with over half restricted to a single river basin or sub-basin.

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Gastromyzon sp. 'SK03'

March 13th, 2012 — 1:25pm

Gastromyzon spp. are obligate dwellers of swift, shallow streams containing clear, oxygen-saturated water and have been recorded from sea level to 1350 m amsl throughout hill regions of Borneo.

They typically inhabit riffles and runs and are often found above or below cascades and waterfalls.

Substrates are generally composed of gravel, rocks, boulders or bedrock carpeted with a rich biofilm formed by algae and other micro-organisms.

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Lepidocephalichthys goalparensis PILLAI & YAZDANI, 1976

March 13th, 2012 — 1:25pm

This species is almost unheard of in the hobby with the specimen pictured above the only one we're aware of. It was imported into the United Kingdom in late 2011 as bycatch among a shipment of mastacembelid eels from northern India, and the identification was subsequently confirmed by Justin Havird, senior author of the most recent revision of the genus.

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Gastromyzon zebrinus TAN, 2006

March 13th, 2012 — 1:25pm

Much of the natural diet is likely to be composed of benthic algae plus associated micro-organisms which are rasped from solid surfaces.

In captivity it will accept good-quality dried foods and meatier items like live or frozen bloodworm but may suffer internal problems if the diet contains excessive protein.

Home-made foods usi…

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Gastromyzon viriosus TAN, 2006

March 13th, 2012 — 1:25pm

Many loaches from the families Nemacheilidae, Balitoridae and Gastromyzontidae are also suitable but research your choices before purchase in order to be sure as some are excessively aggressive or otherwise competitive.

Gastromyzon spp. tend to exist in lo…

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