Like many other catfishes, their bodies lack scales.
Nearly one half of the species of madtom catfishes was described in the single comprehensive revision of the group.
Furthermore, the numerically dominant larval species of metazoan parasites infecting the catfish had very high mean intensity values (table 1).
Thus, juvenile catfishes generally resemble and develop smoothly into their adult form without distinct juvenile specializations.
Like all other catfishes, it has barbels around the mouth which contain taste buds that help the animal find food at night.
The smaller ariid catfishes have minor value as public and home aquarium fish.
All three major bullheads can be confused with other catfishes by novice anglers.
Voltage-clamp analysis of currents produced by glutamate and some glutamate analogues on horizontal cells isolated from the catfish retina.
