Plesiopinae is one of two subfamilies in the family Plesiopidae, the longfins or roundheads.
The fish in the subfamily Plesiopinae are relatively small fish, growing to a maximum length of . They have scales on the gill covers and these frequently extend to the top of their heads. The dorsal fin has between 11 and 15 spines and 6 and 21 soft rays, the anal fin has 3 spines and between 7 and 23 soft rayes while the pelvic fin has a single spine and 4 soft rays.
The following gerbera are classified under the Plesiopinae: