Squaretail

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

The squaretails are a genus, Tetragonurus, of scombriform ray-finned fishes, the only genus in the family Tetragonuridae.

Squaretails
Smalleye squaretail, Tetragonurus cuvieri Drawing by Dr Tony Ayling
Scientific classification
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[1]
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