Agamyxis
# Agamyxis

Agamyxis is a genus of thorny catfishes.

## Species

There are currently two recognized species in this genus:

* Agamyxis albomaculatus (W. K. H. Peters, 1877) (Spiny cat-fish)
* Agamyxis pectinifrons (Cope, 1870) (Spotted Raphael catfish, Spotted doradid, Whitebarred catfish)

## Distribution

This genus is found in tropical South America.

## Description

Both species reach about 15 centimetres (6 in) SL. These species both appear very similar; A. albomaculatus might be slimmer, have more spots and a different pattern on its caudal fin.

## Ecology

These catfish are able to make sounds by grinding their pectoral fin bones against their shoulder bones. They can live for 17 years.

## In the aquarium

Both species in this genus are popular in the aquarium trade.

