Fin's Fish Guide
The Black triplefin (Helcogramma nigra) is a saltwater fish of the family Tripterygiidae that grows up to 4 cm.
Description
The Black triplefin is a triplefin (Tripterygiidae) from shallow reef and rocky water of the Indo-West Pacific. The species grows to about 4 cm and has a slender, spindle-shaped body with the family's characteristic three separate dorsal fins and high-set eyes; males colour up more brightly in the breeding season. As a day-active bottom-dweller it perches on coral, rock and weed and picks small crustaceans, algae and biofilm. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Black triplefin?
The Black triplefin has an elongate, eel-like body, is mainly brown and shows a spots pattern.
Where does the Black triplefin live?
The Black triplefin lives in the sea (marine waters) and is mostly found around stony or rocky ground. Oceania: Solomon Is., Fiji, Vanuatu, Papua New Guinea
How big does the Black triplefin get?
The Black triplefin grows to a maximum of about 4 cm.
Is the Black triplefin dangerous to humans?
No, the Black 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.
Want the complete picture on the Black triplefin?
Point your camera at the fish and Fin names the species in seconds. Free, and the Black triplefin is one of 12,519 species in the app.
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 Black triplefin?
Point your camera at the fish and Fin names the species in seconds. Free, and the Black triplefin is one of 12,519 species in the app.