Slender clingfish (Gastrocyathus gracilis)

General data
- Main name: Slender clingfish
- Habitat: Saltwater
Classification
- Genus: Gastrocyathus - Gastrocyathus
- Family: Gobiesocidae - Clingfishes
- Order: Gobiesociformes - Clingfishes
- Class: Teleostei - Ray-finned fishes
- Superclass: Osteichthyes - Bony fishes