Colossimystax pectegenitor is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the main channel of the Orinoco near the mouth of the Ventuari River, as well as in the Casiquiare canal. The species is usually found in areas with flowing water near large rocky outcrops. It reaches SL. It is the only member of the monospecific genus Colossimystax, which forms a tribe with its also monotypic sister genus Stellantia.
SPECIES
via GBIF
Colossimystax pectegenitor is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the main channel of the Orinoco near the mouth of the Ventuari River, as well as in the Casiquiare canal. The species is usually found in areas with flowing water near large rocky outcrops. It reaches SL. It is the only member of the monospecific genus Colossimystax, which forms a tribe with its also monotypic sister genus Stellantia.
It was described in 2007 by Nathan K. Lujan (of the American Museum of Natural History), Mark H. Sabaj Pérez (of the Academy of Natural Sciences of Drexel University), and Jonathan W. Armbruster (of Auburn University) as in the genus Pseudancistrus, along with Pseudancistrus yekuana, which was later moved to genus Lithoxancistrus.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).