Fin's Fish Guide
The Smalleye squaretail (Tetragonurus cuvieri) is a saltwater fish of the family Tetragonuridae that grows up to 70 cm.
Temperate and subtropical parts of the world's seas; oceanic near the surface.
Description
Tetragonurus cuvieri is an oceanic fish of the family Tetragonuridae that usually lives near the surface of the open sea. The species has an elongate, robust body with small eyes and hard, keeled scales around the caudal peduncle, and reaches about 70 cm. It feeds mainly on jellyfishes, salps and other soft, gelatinous animals and plankton; young fish often shelter among jellyfishes or inside large salps. The species may occur in schools. There are conflicting reports that the flesh can be poisonous, so consumption is discouraged.
Frequently asked questions
How do you recognise the Smalleye squaretail?
The Smalleye squaretail has an elongate, eel-like body, is mainly brown and shows a plain pattern. Hard, keeled scales around the caudal peduncle; feeds on jellyfish and salps.
Where does the Smalleye squaretail live?
The Smalleye squaretail lives in the sea (marine waters) and is mostly found around open water. Temperate and subtropical parts of the world's seas; oceanic near the surface.
How big does the Smalleye squaretail get?
The Smalleye squaretail grows to a maximum of about 70 cm.
Is the Smalleye squaretail dangerous to humans?
The Smalleye squaretail is venomous — handle spines with care and seek medical help after a sting if needed. The fish is harmless to handle, but the flesh may be poisonous, so do not eat this species. In case of symptoms after consumption such as nausea, vomiting or tingling, seek medical help and keep any leftover material.
Is the Smalleye squaretail edible?
The Smalleye squaretail is not usually eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Tetragonurus
More from the family Tetragonuridae
Want the complete picture on the Smalleye squaretail?
Point your camera at the fish and Fin names the species in seconds. Free, and the Smalleye squaretail is one of 12,519 species in the app.