William’s triplefin (Enneapterygius williamsi)

General data
- Main name: William’s triplefin
- Habitat: Saltwater
Classification
- Genus: Enneapterygius - Enneapterygius
- Family: Tripterygiidae - Triplefin blennies
- Order: Blenniiformes - Blennies
- Class: Teleostei - Ray-finned fishes
- Superclass: Osteichthyes - Bony fishes