Blackback silverside
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Atheriniformes
- family: Atherinopsidae
- genus: Melanorhinus
- species: Melanorhinus cyanellus
Paquera- Puntarenas
Puntarenas
Costa Rica
Puerto Escondido
Oaxaca
Mexico
Ancón
Panamá
Panama