- Source: Bigeye squaretail
- Bigeye squaretail
- Squaretail
- List of fish common names
- List of marine vertebrates of the Cape Peninsula and False Bay
- List of least concern perciform fishes
- List of reef fish of the Red Sea
- List of marine bony fishes of South Africa
- List of least concern fishes
- List of freshwater fish of Japan
- List of fishes of Hawaii
The bigeye squaretail, Tetragonurus atlanticus, is a fish native to the Atlantic, Indian and Pacific Oceans. They feed on soft-bodied medusae and salps and will also eat plankton. Their average length is 50 cm, and their habitat is pelagic. They are toxic to humans.