Samiksha Jaiswal (Editor)

Spectacled triplefin

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Kingdom
  
Animalia

Family
  
Tripterygiidae

Scientific name
  
Ruanoho whero

Rank
  
Species

Class
  
Actinopterygii

Genus
  
Ruanoho Hardy, 1986

Phylum
  
Chordata

Order
  
Perciformes

Spectacled triplefin

Similar
  
Yellow‑and‑black triplefin, Variable triplefin, Blue‑eyed triplefin, Yaldwyn's triplefin, Forsterygion

The spectacled triplefin or longfinned triplefin, Ruanoho whero, is a triplefin, the only species in the genus Ruanoho. It is commonly found around New Zealand from depths of a few metres to about 30 m, most common in reef areas of broken rock. Its length is between 4 and 8 cm and its head is flattened with large eyes surrounded by a dark band giving rise to its common name. The head and fins have a pattern of fine blue lines. Its large pectoral fins are used as props when resting on the bottom where it spends most of its time.

In the breeding season in winter and spring the males become darker, with a blue/black head and black first dorsal fin, and dark bars on the body.

References

Spectacled triplefin Wikipedia