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Down arrow Cat-eLog Data Sheet
Scientific Name Trichomycterus alternatus  (Eigenmann, 1917)
Common Name
Type Locality Rio Doce, near the village Rio Doce, Minas Gerais, Brazil [20°14'41"S, 42°53'45"W].
Synonym(s) Pygidium alternatum, Pygidium travassosi, Trichomycterus alternatum, Trichomycterus travassosi
Pronunciation trick oh mick terr uss.
Etymology Trichomycterus: From the Greek trichos, meaning hair and mykter, meaning nose; in reference to the barbels. 
Articles
Article Link - CotM Right Arrow 2011 Right Arrow February
Down arrow Species Information
Size 81mm or 3.2" SL. Find near, nearer or same sized spp.
Sexing In well fed individuals, one can see the egg mass through the belly of the female.
Down arrow Habitat Information
Distribution South America: coastal river basins in Rio de Janeiro and Espírito Santo, Brazil.
Rio de Janeiro State Rivers (click on these areas to find other species found there)
Espirito Santo State Rivers (click on these areas to find other species found there)

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IUCN Red List Category Not Evaluated
pH 6.5 - 7.5
Temperature 21.0-27.0°C or 69.8-80.6°F (Show species within this range)
Other Parameters Prefer cooler water, dissolved oxygen saturation is better to the higher level. A good current is also preferred.
Down arrow Husbandry Information
Feeding Live or frozen food is well accepted, as is commerical dry prepared foods. Be careful not to overfeed.
Furniture Will do best in a sandy bottom with some cobble / pebble substrates. Plants are not necessary but can provide some hiding places as would driftwood.
Compatibility Keep with similarly sized fish (so the catfish won't be eaten) but is active enough to compete with them for food.
Breeding Unreported.
Breeding Reports There is no breeding report.
Down arrow Further Information
Reference Proceedings of the American Philosophical Society v. 56, pp 700.
Registered Keepers Keeping this species? Why not .
There is but a single registered keeper, view all "my cats" data.
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Spotters Spotted this species somewhere? Click the binoculars!
There is but a single record of this fish being seen, view it.
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Last Update 2019 Sep 29 02:47 (species record created: 2006 Dec 26 07:48)