The Gulf toadfish (Opsanus beta) is a saltwater fish of the family Batrachoididae that grows up to 33 cm.
Description
The Gulf toadfish (Opsanus beta) is a stocky bottom fish of the family Batrachoididae from the western Atlantic. The species has a broad, flattened head with skin flaps, a large mouth and a brownish, mottled body, and reaches about 33 cm. It is common in seagrass beds, rocky cuts and shallows of coastal bays and lagoons. As an ambush predator it feeds on crustaceans, mollusks and small fishes. Nesting males make grunting calls to attract females. The fin spines can cause painful puncture wounds. The species is widely used in scientific research owing to its hardiness.
Frequently asked questions
How do you recognise the Gulf toadfish?
The Gulf toadfish has a torpedo-shaped body, is mainly brown and shows a marbled pattern. Broad head with skin flaps; nest-guarding males make humming calls; widely used research fish. 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 Gulf toadfish live?
The Gulf toadfish lives in the sea (marine waters) and is mostly found around sand or mud bottom. Seagrass beds and coastal bays of the western Atlantic.
How big does the Gulf toadfish get?
The Gulf toadfish grows to a maximum of about 33 cm.
Is the Gulf toadfish dangerous to humans?
The Gulf toadfish is venomous — handle spines with care and seek medical help after a sting if needed. The fin spines can cause painful puncture wounds. Clean and disinfect the wound thoroughly; seek medical help in case of severe pain, swelling or infection.
Is the Gulf toadfish edible?
The Gulf toadfish is rarely eaten.
More photos

Want the complete picture on the Gulf toadfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Gulf toadfish is one of 12,519 species in the app.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Opsanus
More from the family Batrachoididae

Want the complete picture on the Gulf toadfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Gulf toadfish is one of 12,519 species in the app.