The Filefish (Canthidermis sufflamen) is a saltwater fish of the family Balistidae that grows up to 65 cm.
Description
The ocean triggerfish is a triggerfish (Balistidae) from the Atlantic Ocean. The species grows to about 65 cm and has a deep, laterally compressed, grey-blue body. Like all triggerfishes it can erect the first dorsal fin spine and lock it with a second spine, to wedge itself into a crevice. It occurs commonly near steep drop-offs of seaward reefs, sometimes in shallow water, solitary or in small groups in open water, often near drifting Sargassum weed. It feeds mainly on large zooplankton. The species is harmless to humans.
Frequently asked questions
How do you recognise the Filefish?
The Filefish has a flattened, disc-shaped body, is mainly silver-grey and shows a plain pattern. Lockable dorsal fin spine to wedge itself in place; often lives near drifting sargassum weed.
Where does the Filefish live?
The Filefish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Atlantic Ocean; seaward reef slopes and open water.
How big does the Filefish get?
The Filefish grows to a maximum of about 65 cm.
Is the Filefish dangerous to humans?
No, the Filefish is harmless to humans. None required: this species is harmless to humans.
Is the Filefish edible?
Yes, the Filefish is commonly eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Canthidermis
More from the family Balistidae

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