Redfin Threefin
Helcogramma gymnauchen
- Least concern
- Card rarity: Common
- Fish

The red-finned triplefin is a triplefin blenny of the family Tripterygiidae, found in the western Pacific from Indonesia, Papua New Guinea, and northern Australia, at depths of between 1 and 8 m. It reaches a maximum length of 4 cm.
Classification
- Class
- Actinopterygii
- Order
- Blenniiformes
- Family
- Tripterygiidae
- Genus
- Helcogramma