Tidewater goby
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Perciformes
- family: Gobiidae
- genus: Eucyclogobius
- species: Eucyclogobius newberryi
Aptos- Arcata
- Arroyo Grande
- Avila Beach
- Bayside
- Berkeley
- Cambria
- Camp Pendleton South
- Capitola
- Cayucos
- Corte Madera
- Dana Point
- Elkhorn
- Fort Bragg
- Goleta
- Grover Beach
- Isla Vista
- Kentfield
- Larkspur
- Live Oak
- Malibu Beach
- Morro Bay
- Novato
- Oceano
- Oceanside
- Opal Cliffs
- Pismo Beach
- Port Hueneme
- Rio Del Mar
- Ross
- San Anselmo
- San Rafael
- Santa Cruz
- Seacliff
- Soquel
- Twin Lakes
- Ventura
California
United States