Priocharax piagassu

Priocharax piagassu is a minute species of fish native to the Rio Purus and Solimões Draina, Brazil. The species, which has a skeleton of cartilage, is almost completely transparent.

Size

This species reaches a length of.

Etymology

The fish's name comes from Nheengatu, an Indigenous language in Amazonas, Brazil, in which pid means "heart" and wa'su means "big," i.e., the "big heart", which is the region in the middle of the Amazon basin where the type specimens were collected.