Parancistrus is a small genus of suckermouth armored catfishes native to South America.
Parancistrus is a small genus of suckermouth armored catfishes native to South America.
==Taxonomy== Three species - Hypostomus aurantiacus, H. nigricans and H. vicinus - were described by François Louis de la Porte, comte de Castelnau in 1855. Parancistrus was described by Pieter Bleeker in 1862 and P. aurantiacus designated as type. Later, P. nigricans and P. vicinus were deemed to be synonyms of P. aurantiacus, making P. aurantiacus the only species of Parancistrus until P. nudiventris was described in 2005.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).