The Volcano triplefin (Helcogramma vulcana) is a saltwater fish of the family Tripterygiidae that grows up to 4 cm.
Description
The Volcano triplefin is a triplefin (Tripterygiidae) from shallow reef water of the Indo-West Pacific. The species grows to about 4 cm and has a slender, brown-speckled body with three separate dorsal fins and large pectoral fins; courting males often colour up. As a bottom-dweller it perches on coral, rocks and in crevices and snaps at small crustaceans and algae. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Volcano triplefin?
The Volcano triplefin has an elongate, eel-like body, is mainly brown and shows a spots pattern.
Where does the Volcano triplefin live?
The Volcano triplefin lives in the sea (marine waters) and is mostly found around stony or rocky ground. Asia: Indonesia
How big does the Volcano triplefin get?
The Volcano triplefin grows to a maximum of about 4 cm.
Is the Volcano triplefin dangerous to humans?
No, the Volcano triplefin is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

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

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