The mahi-mahi or common dolphinfish is a surface-dwelling ray-finned fish found in off-shore temperate, tropical, and subtropical waters worldwide. It is also widely called dorado (not to be confused with Salminus brasiliensis, a freshwater fish) and dolphin (not to be confused with the aquatic mammal dolphin). It is one of two members of the family Coryphaenidae, the other being the pompano dolph... Wikipedia