Trematomus is a genus of notothen native to the Southern Ocean, with these currently recognized species:
[
"Ecology",
"Biochemistry",
"Zoology",
"Anatomy",
"Fish <Actinopterygii>",
"Trematomus newnesi",
"Notothenia angustata",
"Trematomus eulepidotus",
"Pagothenia",
"Trematomus scotti"
]