Pareiorhina brachyrhyncha

Pareiorhina brachyrhyncha can be told apart from the other species in its genus by having very few or no unpaired plates in fron of the nuchal plate, , the teeth have a tiny cusp to their sides, its wider body shape and lower number of vertebrae. This catfish has an elongated body shape and it reaches a standard length of 4.2 cm (1.7 in).

Pareiorhina brachyrhyncha is endemic to Brazil where has been recorded from a few localities in the Paraíba do Sul River basin in the municipalities of Pindamonhangaba and Guaratinguetá in São Paulo state. There are also records from the small drainages of the Ribeirão dos Buenos and Guaratinguetá rivers in the eastern Mantiqueira Mountains. This catfish was collected from streams with crystal clear, highly oxygenated, fast flowing water.

== References ==

Pareiorhina brachyrhyncha is classified within the genus ''Pareiorhina, this name combines pareiá, meaning "cheek", with rhina, from rhínē, which means "file" or "rasp", this is probably an allusion to the rough sides of the head. The specific name, brachyrhyncha, means "short-snout", a reference to the shape of its snout, which is short in comparison to the other species in the genus which were known when this species was described.