Tilapia

Tilapia vary in colour from dark olive to silver-grey, depending on their age and environment.
They are generally deep-bodied fish with thin profiles, long snouts and pronounced lips/jaws.
Their dorsal (upper) fin is continuous and ends in an extended point. Most native species have a dorsal fin with a dent/gap in the middle and a rounded end.
Their pelvic (belly) fins are long and almost touch the front of the anal (bottom) fin. This is unlike most native species, which have short pelvic fins.