-
- Shiner Surfperch
- Cymatogaster aggregata
-
- Silver Surfperch
- Hyperprosopon ellipticum
-
- Stinging Eel Catfish
- Plotosus lineatus
-
- Threespine Stickleback
- Gasterosteus aculeatus
-
- Topsmelt
- Atherinops affinis
-
- Tripod Fish
- Bathypterois grallator
-
- Unarmored Threespine Stickleback
- Gasterosteus aculeatus williamsoni
-
- Wedge-tail Triggerfish
- Rhinecanthus rectangulus
-
- Weedy Scorpionfish
- Rhinopias frondosa
-
- Weedy Seadragon
- Phyllopteryx taeniolatus
