The Plain velvetfish (Erisphex simplex) is a saltwater fish of the family Aploactinidae that grows up to 8 cm.
Description
The Plain velvetfish is a velvetfish (Aploactinidae) from shallow coastal and reef water of the Indo-West Pacific. The species grows to about 8 cm and has a stocky body with a velvety, small-spined skin and a dorsal fin starting high on the head, strongly camouflaged on the bottom. As a motionless ambush predator it lies among weed, rubble and sand and snaps at small crustaceans. The dorsal spines are venomous and can give a painful puncture wound.
Frequently asked questions
How do you recognise the Plain velvetfish?
The Plain velvetfish has an elongate, eel-like body, is mainly brown and shows a marbled pattern. Bears venomous spines or tissue; handle with great care.
Where does the Plain velvetfish live?
The Plain velvetfish lives in the sea (marine waters) and is mostly found around sand or mud bottom. Asia: Taiwan/Ch Taipei
How big does the Plain velvetfish get?
The Plain velvetfish grows to a maximum of about 8 cm.
Is the Plain velvetfish dangerous to humans?
The Plain velvetfish is venomous — handle spines with care and seek medical help after a sting if needed. For a sting from a fin spine: rinse the wound, remove any visible spine fragments and immerse the part for 30-90 minutes in water as hot as can be tolerated (about 45 C) to break down the venom. The pain can be severe. For marked swelling, a retained spine or signs of infection seek medical care and check tetanus status.

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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Erisphex
More from the family Aploactinidae

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