Redfin Threefin (species: Helcogramma gymnauchen) in ALA: LIRS and surrounds using records to Oct. 2021 (Lizard Island Field Guide)
Helcogramma gymnauchen
Redfin Threefin
Kingdom Animalia
Phylum Chordata
Class Actinopterygii
Order Perciformes
Family Tripterygiidae
Genus Helcogramma
Species Helcogramma gymnauchen



Distinguishing features

A solitary, bottom-dwelling fish with three translucent dorsal fins that are banded with red/brown. Body grey/translucent with 4-5 pairs of broad red/brown bands.


  • Up to 4.5 cm (length)

Depth range

  • Depth range data is not yet available.



©Atlas of Living Australia: Australian distribution

Web resources


References that assist with identification

  • Allen, G., R. Steene, P. Humann and N. Deloach (2003). Reef fish identification: Tropical Pacific New World Publications Inc., Jacksonville, FL, USA.