Nototheniidae, the notothens or cod icefishes, is a family of ray-finned fishes, part of the suborder Notothenioidei which is traditionally placed within the order Perciformes. They are largely found in the Southern Ocean.
Nototheniidae
Longfin icedevil (Aethotaxis mitopteryx)
Emerald rockcod (Trematomus bernacchii)
Perciformes, also called the Acanthopteri, is an order or superorder of ray-finned fish in the clade Percomorpha. Perciformes means "perch-like". Among the well-known members of this group are perch and darters (Percidae), sea bass and groupers (Serranidae).
Perciformes
Perciformes display at the National Museum of Natural History.
Pomacanthus semicirculatus