Related by context. Frequent words. (Click for all words.) 57 freshwater mussels 55 bivalve 51 aquatic habitats 51 tidal marshes 51 oysters 50 freshwater marshes 50 bivalves 50 mussel species 50 amphibian populations 50 salmonids 50 seagrasses 50 red legged frogs 50 Vibrio 50 Coho salmon 49 mollusks 49 species 49 molluscs 49 deciduous forests 48 Lionfish 48 mussels 48 geoducks 48 overhunting 48 Nutria 47 oyster 47 freshwater ponds 47 oysters clams 47 Oysters 47 brackish waters 47 Paddlefish 47 Menhaden 46 marine invertebrates 46 overfishing pollution 46 snakehead fish 46 coastal estuaries 46 wild salmon 46 Overfishing 46 mussels clams 46 Populations 46 clams mussels 46 freshwater turtles 46 native brook trout 46 freshwater ecosystems 45 salmon 45 wetland ecosystems 45 shellfish 45 bee populations 45 aquatic species 45 northern snakehead 45 Mussels 45 oyster reefs 45 snails 45 Nile perch 45 quahogs 45 overharvesting 45 crustaceans 44 freshwater fish 44 salmonid 44 blue fin tuna 44 herring 44 sagebrush habitat 44 sea otters 44 lampreys 44 marine organisms 44 intertidal zone 44 filter feeders 44 Steller sea lion 44 grebe 44 cod fishery 44 quahog 44 oyster beds 43 salmon fisheries 43 underwater grasses 43 Bluefin tuna 43 Chinook salmon 43 gray squirrel 43 muscadines 43 salt marshes 43 bay scallops 43 federally endangered 43 Willapa Bay 43 terrestrial ecosystems 43 fox squirrels 43 Steller sea lions 43 black footed ferret 43 eelgrass 43 whelks 43 geoduck 43 tiger mosquito 42 grassland habitat 42 nutria 42 wood stork 42 gray squirrels 42 seaweeds 42 eel grass 42 freshwater shrimp 42 mollusk 42 beluga sturgeon 42 populations 42 blue crabs 42 coastal wetlands 42 tunas