Estuarine largemouth dragonet
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Perciformes
- family: Callionymidae
- genus: Eleutherochir
- species: Eleutherochir opercularis
Batangas
Santa Clara
Santa Rita Aplaya
Wawa
Calabarzon
Philippines