| Abalone | |
| Pinto abalone | Haliotis kamtschatkana |
| Mussel | |
| Blue mussel | Mytilus trossulus |
| California mussel | Mytilus californianus |
| Mediterranean mussel | Mytilus galloprovincialis |
| Scallops | |
| Pacific pink scallop | Chlamys rubida |
| Rock scallop | Crassadoma gigantea |
| Spiny scallop | Chlamys hastata |
| Weathervane scallop | Patinopecten caurinus |
| Clams | |
| All macoma clams | Macoma spp. |
| Butter clam | Saxidomus giganteus |
| Common cockle | Clinocardium nuttallii |
| Geoduck | Panopea abrupta |
| Horse or Gaper clam | Tresus nuttallii, |
| Tresus capax | |
| Mud or soft shell clam | Mya arenaria |
| Manila clam | Venerupis philippinarum |
| Piddock | Zirfaea pilsbryi |
| Razor clam | Siliqua patula |
| Rock or native little neck clam |
Protothaca staminea |
| Varnish clam | Nuttallia obscurata |
| All other marine clams existing in Washington in a wild state | |
| Oysters | |
| All oysters | (Ostreidae) |
| Squid | |
| All squid | Sepiolida or Teuthida |
| Octopus | |
| Octopus | Enteroctopus dolfleini |
| Barnacles | |
| Goose barnacle | Pollicipes polymerus |
| Shrimp | |
| Coonstripe shrimp | Pandalus danae |
| Coonstripe shrimp | Pandalus hypsinotus |
| Ghost or sand shrimp | Neotrypaea spp. |
| Humpy shrimp | Pandalus goniurus |
| Mud shrimp | Upogebia pugettensis |
| Ocean pink shrimp | Pandalus jordani |
| Pink shrimp | Pandalus eous |
| Sidestripe shrimp | Pandalopsis dispar |
| Spot shrimp | Pandalus platyceros |
| Crab | |
| Dungeness or Pacific crab | Cancer magister |
| Red rock crab | Cancer productus |
| Tanner crab | Chionoecetes tanneri |
| King and box crab | Lopholithodes spp. |
| Crawfish | |
| Crawfish | Pacifastacus sp. |
| Sea cucumber | |
| Sea cucumber | Parastichopus californicus |
| Sea urchin | |
| Green urchin | Strongylocentrotus droebachiensis |
| Red urchin | Strongylocentrotus franciscanus |
| Purple urchin | Strongylocentrotus purpuratus |