Pseudotocinclus parahybae
Pseudotocinclus parahybae is a species of armored catfish endemic to Brazil, where it is known only from the type locality, a tributary of the ribeirão Grande, rio Paraíba do Sul basin. It is a medium-size creek, 0.5-1.5 metres deep and 5.0 m wide at approximately 800 m above sea level, on the slope of Serra da Mantiqueira, with very clear, well oxygenated, and fast flowing water, running mainly on stone beds.