Fin's Fish Guide
The Spotted trunkfish (Lactophrys bicaudalis) is a saltwater fish of the family Ostraciidae that grows up to 48 cm.
Description
The spotted trunkfish is a boxfish (Ostraciidae) from the western Atlantic Ocean. The species grows to about 50 cm and has a body enclosed in a stiff, bony armour of fused plates, white with numerous dark spots. Unlike many relatives it lacks horns above the eyes. It lives in clear water around coral reefs, sometimes under ledges and near small holes. It feeds on various small benthic invertebrates. When stressed its skin can release a toxic substance to deter predators. The species is harmless to touch.
Frequently asked questions
How do you recognise the Spotted trunkfish?
The Spotted trunkfish has a flattened, disc-shaped body, is mainly white and shows a spots pattern. White bony armour with dark spots; secretes toxic skin mucus when stressed. 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 Spotted trunkfish live?
The Spotted trunkfish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Western Atlantic; clear water around coral reefs.
How big does the Spotted trunkfish get?
The Spotted trunkfish grows to a maximum of about 48 cm. On average the species is around 20 cm.
Is the Spotted trunkfish dangerous to humans?
The Spotted trunkfish is venomous — handle spines with care and seek medical help after a sting if needed. None required: this species is harmless to humans.
Is the Spotted trunkfish edible?
The Spotted trunkfish is rarely eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Lactophrys
More from the family Ostraciidae
Want the complete picture on the Spotted trunkfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Spotted trunkfish is one of 12,519 species in the app.