Henochilus wheatlandii

Henochilus is a monospecific genus of freshwater ray-finned fish belonging to the family Bryconidae, the dorados and jaw characins. The only species in the genus is Henochilus wheatlandii. This genus is classified in the subfamily Bryconinae, in the family Bryconidae, within the suborder Characoidei of the order Characiformes. This taxon is endemic to Brazil, where it is native to the Mucuri and Doce River basins.

It is a Critically Endangered species, and now restricted to the Santo Antônio River, a tributary of the Doce River. It had been considered extinct for more than a century, until rediscovered in 1996. This species is known to feed on plants. It can reach up to 41.3 cm (16.3 in) in standard length.