Rhyacoglanis is a genus of catfishes (order Siluriformes) of the family Pseudopimelodidae.
Species There are 9 species in the database, and the other 3 haven't been described, so they won't be included. Rhyacoglanis annulatus Rhyacoglanis beninei Rhyacoglanis epiblepsis Rhyacoglanis paranensis Rhyacoglanis pulcher Rhyacoglanis rapppydanielae Rhyacoglanis seminiger Rhyacoglanis varii Oscar Akio Shibatta and Lenice Souza-Shibatta. 2023. New species of Rhyacoglanis (Siluriformes: Pseudopimelodidae) from the upper rio Tocantins Basin. Neotrop. ichthyol. 21(1); DOI: 10.1590/1982-0224-2022-0075 Rhyacoglanis variolosus
Identification Rhyacoglanis is distinguished from other Pseudopimelodidae by three synapomorphies: the presence of a light blotch on the cheek; a connection between the middle of the dark caudal-fin stripe and the dark caudal-peduncle pigmentation; and 30–35 total vertebrae.
Distribution Rhyacoglanis genus is widely distributed in the cis-Andean portions of South America, mainly in the Amazon, Orinoco, Paraná, Paraguay, and lower rio Tocantins basins.
References