Trematomus

Trematomus is a genus of notothen native to the Southern Ocean,[1] with these currently recognized species:[1]

• Trematomus bernacchii Boulenger, 1902 (emerald rockcod)
• Trematomus eulepidotus Regan, 1914 (blunt scalyhead)
• Trematomus hansoni Boulenger, 1902 (striped rockcod)
• Trematomus lepidorhinus (Pappenheim, 1911) (slender scalyhead)
• Trematomus loennbergii Regan, 1913 (scaly rockcod)
• Trematomus newnesi Boulenger, 1902 (dusky rockcod)
• Trematomus nicolai (Boulenger, 1902) (spotted notothen)
• Trematomus pennellii Regan, 1914 (sharp-spined notothenia)
• Trematomus scotti (Boulenger, 1907) (crowned rockcod)
• Trematomus tokarevi Andriashev, 1978 (bigeye notothen)
• Trematomus vicarius Lönnberg, 1905 (orange notothen)

• 
  Emerald rockcod (T. bernacchii)
• 
  Blunt scalyhead (T. eulepidotus)
• 
  Slender scalyhead (T. lepidorhinus)
• 
  Scaly rockcod (T. loennbergii)
• 
  Sharp-spined notothenia (T. pennellii)
• 
  Crowned rockcod (T. scotti)

Trematomus
Emerald rockcod (T. bernacchii)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Perciformes
Suborder:	Notothenioidei
Family:	Nototheniidae
Genus:	Trematomus Boulenger, 1902
Type species
Trematomus newnesi Boulenger, 1902
Synonyms
Pseudotrematomus Balushkin, 1982