Fin's Fish Guide
The Dogtooth tuna (Gymnosarda unicolor) is a saltwater fish of the family Scombridae that grows up to 248 cm.
Description
The dogtooth tuna is a large mackerel relative from the Indo-Pacific, from the Red Sea and East Africa to French Polynesia, north to Japan. The species grows to about 2.5 metres and has a streamlined, steel-blue body with a silvery-white belly and large, dog-like teeth. As a fast predator it hunts, solitary or in small groups, around coral reefs for small schooling fish and squid. Large specimens can cause ciguatera poisoning if eaten. The IUCN assesses the species as Least Concern (LC).
Frequently asked questions
How do you recognise the Dogtooth tuna?
The Dogtooth tuna has a torpedo-shaped body, is mainly blue and shows a plain pattern. Large dog-tooth-like teeth; fast reef predator Note: in tropical areas this species can cause ciguatera poisoning when eaten; large specimens of coral reef predators can accumulate the toxin. Eat with caution or avoid in risk areas.
Where does the Dogtooth tuna live?
The Dogtooth tuna lives in the sea (marine waters) and is mostly found around stony or rocky ground. Indo-Pacific
How big does the Dogtooth tuna get?
The Dogtooth tuna grows to a maximum of about 248 cm. On average the species is around 190 cm.
Is the Dogtooth tuna dangerous to humans?
The Dogtooth tuna is venomous — handle spines with care and seek medical help after a sting if needed. The flesh of large specimens can contain ciguatoxin and cause ciguatera poisoning (stomach upset, tingling, reversal of hot/cold sensation). Do not eat large specimens from risk areas; seek medical help if symptoms appear.
Is the Dogtooth tuna edible?
Yes, the Dogtooth tuna is commonly eaten.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
More from the family Scombridae
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