Hippocampus subelongatus
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Syngnathiformes
- family: Syngnathidae
- genus: Hippocampus
- species: Hippocampus subelongatus
Attadale
Bicton
Cottesloe
Dalkeith
Peppermint Grove
Western Australia
Australia