Fin's Fish Guide
The Hawaiian blackhead triplefin (Enneapterygius atriceps) is a saltwater fish of the family Tripterygiidae that grows up to 3 cm.
Description
The Hawaiian blackhead triplefin is a small triplefin (Tripterygiidae) from the central Pacific, around Hawaii. The species grows to about 3 cm and has an elongate body with three separate dorsal fins; courting males often colour the head dark. As a bottom-dweller it perches on rocks and coral rubble of shallow reefs and picks small invertebrates. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Hawaiian blackhead triplefin?
The Hawaiian blackhead triplefin has an elongate, eel-like body and is mainly brown.
Where does the Hawaiian blackhead triplefin live?
The Hawaiian blackhead triplefin lives in the sea (marine waters) and is mostly found around stony or rocky ground. Oceania: Midway Is., Hawaii
How big does the Hawaiian blackhead triplefin get?
The Hawaiian blackhead triplefin grows to a maximum of about 3 cm.
Is the Hawaiian blackhead triplefin dangerous to humans?
No, the Hawaiian blackhead 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.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Enneapterygius
More from the family Tripterygiidae
Want the complete picture on the Hawaiian blackhead triplefin?
Point your camera at the fish and Fin names the species in seconds. Free, and the Hawaiian blackhead triplefin is one of 12,519 species in the app.