Fin's Fish Guide
The Longfinned triplefin (Ruanoho decemdigitatus) is a saltwater fish of the family Tripterygiidae that grows up to 12 cm.
Description
The Longfinned triplefin is a triplefin (Tripterygiidae) from coastal waters around New Zealand. The species grows to about 13 cm and has a slender, brown to reddish-brown body with three separate dorsal fins and large pectoral fins. As a bottom-dweller it perches on rocks, reefs and in tide pools and snaps at small crustaceans and other small invertebrates. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Longfinned triplefin?
The Longfinned triplefin has an elongate, eel-like body and is mainly brown.
Where does the Longfinned triplefin live?
The Longfinned triplefin lives in the sea (marine waters) and is mostly found around sand or mud bottom. Oceania: New Zealand
How big does the Longfinned triplefin get?
The Longfinned triplefin grows to a maximum of about 12 cm.
Is the Longfinned triplefin dangerous to humans?
No, the Longfinned 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 Ruanoho
More from the family Tripterygiidae
Want the complete picture on the Longfinned triplefin?
Point your camera at the fish and Fin names the species in seconds. Free, and the Longfinned triplefin is one of 12,519 species in the app.