Longtail goby
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Perciformes
- family: Gobiidae
- genus: Ctenogobius
- species: Ctenogobius sagittula
- Pizarro
Chocó
Colombia- Golfito
- Puntarenas
Puntarenas
Costa Rica- Eloy Alfaro
Guayas
Ecuador- La Paz
Baja California Sur- San Blas
Nayarit- Topolobampo
Sinaloa- Guaymas
Sonora
Mexico- Ancón
Panamá
Panama- Costa Mesa
- Long Beach
- Marina del Rey
California
United States