| 2002 Fish Species Richness at Mowitch | |||||
| Common Name | Scientific Name | Number Caught | |||
| Chinook salmon | Oncorhynchus tshawytscha | 41 | |||
| Coho salmon | Oncorhynchus kisutch | 2 | |||
| Chum salmon | Oncorhynchus keta | 28 | |||
| Cutthroat trout | Oncorhynchus clarkii | 1 | |||
| Starry flounder | Platichthys stellatus | 264 | |||
| Staghorn sculpin | Leptocottus armatus | 2,700 | |||
| Sculpin | unidentified; 2 species | 315 | |||
| Surf smelt | Hypomesus pretiosus | 3 | |||
| Shiner perch | Cymatogaster aggregata | 8,047 | |||
| Striped perch | Embiotoca lateralis | 4 | |||
| Pile perch | Damalichthys vacca | 1 | |||
| Penpoint gunnel | Apodichthys flavidus | 2 | |||
| Crescent gunnel | Pholis laeta | 27 | |||
| Saddleback gunnel | Pholis ornate | 42 | |||
| Threespine stickleback | Gasterosteus aculeatus | 313 | |||
| Snake prickleback | Lumpenus sagitta | 114 | |||
| Pacific herring | Clupea pallasii | 4 | |||
| Sandlance | Ammodytes hexapterus | 1 | |||
| Shad | Alosa sapidissima | 4 | |||