| Fish Species Richness at Yowkwala - Year 1 (2002) | ||
| Common Name | Scientific Name | Number Caught |
| Chinook salmon | Oncorhynchus tshawytscha | 324 |
| Coho salmon | Oncorhynchus kisutch | 2,404 |
| Chum salmon | Oncorhynchus keta | 258 |
| Pink | Oncorhynchus gorbuscha | 202 |
| Cutthroat trout | Oncorhynchus clarkii | 3 |
| Starry flounder | Platichthys stellatus | 1 |
| Staghorn sculpin | Leptocottus armatus | 7 |
| Silverspot sculpin | Blepsias cirrhosus | 2 |
| Great sculpin | Myoxocephalus polyacanthocephalus | 1 |
| Buffalo sculpin | Enophrys bison | 5 |
| Sculpin | unidentified; 2 species | 36 |
| Surf smelt | Hypomesus pretiosus | 208 |
| Shiner perch | Cymatogaster aggregata | 870 |
| Striped perch | Embiotoca lateralis | 1 |
| Pile perch | Damalichthys vacca | 11 |
| Penpoint gunnel | Apodichthys flavidus | 2 |
| Crescent gunnel | Pholis laeta | 1 |
| Saddleback gunnel | Pholis ornata | 5 |
| Tubesnout | Aulorhynchus flavidus | 11 |
| Threespine stickleback | Gasterosteus aculeatus | 42 |
| Pacific herring | Clupea pallasii | 121 |
| Sandlance | Ammodytes hexapterus | 14 |
| Shad | Alosa sapidissima | 1 |
| Whitespot greenling | Hexagrammos stelleri | 1 |
| Ratfish | Hydrolagus colliei | 1 |