Notothenia

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Notothenia
Black cod, Notothenia microlepidota
Scientific classification
Kingdom: Animalia Phylum: Chordata Superclass: Osteichthyes Class: Actinopterygii Subclass: Neopterygii Infraclass: Teleostei Superorder: Acanthopterygii Order: Perciformes Suborder: Notothenioidei Family: Cyprinidae Genus: Notothenia
Species
5-7, see text

Notothenia is a genus of cod icefishes, ray-finned fish in the family Nototheniidae. They inhabit the cold Southern Ocean and other waters around Antarctica. These fish have some adaptations that allow them to thrive in such inhospitable habitat, like antifreeze proteins in their blood and ample fat to insulate them against heat loss and to offset their lack of a swim bladder.

[edit] Species

Many listings only feature 5 species: N. neglecta is often considered conspecific with N. coriiceps, while the little-known N. trigramma is of doubtful validity. Other species formerly placed herein are now in related genera like Lepidonotothen.^[1]

• Notothenia angustata – Maori chief
• Notothenia coriiceps Richardson, 1844 – Black rockcod
• Notothenia cyanobrancha Richardson, 1844 – Blue rockcod
• Notothenia microlepidota – Black cod, Small-scaled cod
• Notothenia neglecta Nybelin, 1951 – Yellowbelly rockcod
• Notothenia rossii – Marbled rockcod
• Notothenia trigramma Regan, 1913

[edit] Footnotes

[edit] References

• FishBase (2006): Notothenia species. Version of 2006-MAR-14. Retrieved 2008-JAN-27.