Big-head seahorse (Hippocampus grandiceps)

General data
- Main name: Big-head seahorse
- Habitat: Amfidromous
Classification
- Genus: Hippocampus - Seahorses
- Family: Syngnathidae - Pipefishes and seahorses
- Order: Syngnathiformes - Pipefishes and Seahorses
- Class: Teleostei - Ray-finned fishes
- Superclass: Osteichthyes - Bony fishes