Squaretail

This article is about the genus of perciforms. For the trout, see Brook trout.

The squaretails are a genus, Tetragonurus, of perciform fishes, the only genus in the family Tetragonuridae.

Squaretails
Smalleye squaretail, Tetragonurus cuvieri Drawing by Dr Tony Ayling
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Scombriformes
Suborder:	Stromateoidei
Family:	Tetragonuridae
Genus:	Tetragonurus Risso, 1810
Type species
Tetragonurus cuvieri Risso, 1810
Species
See text.
Synonyms
Ctenodax Macleay, 1886

They are found in tropical and subtropical oceans, and feed on jellyfish and ctenophores.

Species

The three species are:

• Bigeye squaretail, T. atlanticus Lowe, 1839
• Smalleye squaretail, T. cuvieri Risso, 1810
• Pacific squaretail, T. pacificus Abe, 1953

Synonyms

• Tetragonurus simplex Lowe, 1834 accepted as Ruvettus pretiosus Cocco, 1833

Timeline

References

• Froese, Rainer; Pauly, Daniel (eds.). "Family Tetragonuridae". FishBase. February 2006 version.
• Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Tetragonurus". FishBase. February 2006 version.