The Slender Fiiefish (Monacanthus tuckeri) is a saltwater fish of the family Monacanthidae that grows up to 10 cm.
Western Atlantic and Caribbean, on sand and rocky bottoms, often among gorgonians.
Description
The slender filefish is a small filefish (family Monacanthidae) of the western Atlantic and Caribbean. The species reaches about 10 cm and has a strongly laterally compressed body with rough skin and an erectile dorsal spine that can be locked upright. Its colour is variable and mottled, giving excellent camouflage. It lives over sandy and rocky bottoms and often drifts camouflaged among gorgonians, where it feeds on algae and small invertebrates. The species is harmless to humans and of no fishery value.
Frequently asked questions
How do you recognise the Slender Fiiefish?
The Slender Fiiefish has a flattened, disc-shaped body, is mainly brown and shows a marbled pattern. Strongly flattened body with a lockable dorsal spine; drifts camouflaged among gorgonians.
Where does the Slender Fiiefish live?
The Slender Fiiefish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Western Atlantic and Caribbean, on sand and rocky bottoms, often among gorgonians.
How big does the Slender Fiiefish get?
The Slender Fiiefish grows to a maximum of about 10 cm.
Is the Slender Fiiefish dangerous to humans?
No, the Slender Fiiefish is harmless to humans. None required: this species is harmless to humans.
Is the Slender Fiiefish edible?
The Slender Fiiefish is not usually eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Monacanthus
More from the family Monacanthidae

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