Scientific Name
Diapterus peruvianus
Common Name
Peruvian mojarra
Biology
Body diamond-shaped, compressed, and deep (depth contained 1.9 to 2.0 times in standard length); predorsal profile very compressed; mouth strongly protractile; preopercular border serrate; dorsal fin not notched to its base; second anal spine long and stout; body silver or gold with blue iridescent highlights; pelvic and anal fins yellow with dark rays (Ref. 55763).