From the Greek tetra meaning four and akis meaning point, in reference to the multicuspid teeth, and Amphilius a generical name for this group of catfishes.
Identification
This genus differs from all other amphiliiids in having pedicellate jaw teeth with a fan-shaped distal end typically armed with two to six tiny flattened triangular cusps.Triangular adipose fin, slender caudal peduncle , caudal fin deeply forked with the lower lobe slightly larger than upper.
Breeding
Unreported in the aquarium.
Size
Smallest 20mm, largest 39mm, average 31mm, most commonly 39mm. All SL.