Related by context. Frequent words. (Click for all words.) 71 freshwater mussels 64 river herring 62 dissolved oxygen levels 62 lampreys 62 aquatic organisms 62 lake sturgeon 61 alewife 60 alewives 60 aquatic habitat 60 gobies 59 Coho salmon 59 freshwater 58 paddlefish 58 mainstem 58 migrating salmon 58 aquatic insects 57 migratory fish 57 threadfin shad 57 aquatic vegetation 57 sturgeons 57 sturgeon 57 striped bass 57 eelgrass 57 whirling disease 57 species 56 copepods 56 fish 56 tidal wetlands 56 brook trout 56 pallid sturgeon 56 snapping turtles 56 aquatic habitats 56 smallmouth bass 56 salamanders 56 seagrasses 56 aquatic ecosystem 56 flathead catfish 56 Zebra mussels 56 belugas 55 Steller sea lions 55 federally endangered 55 salmon spawning 55 aquatic species 55 estuaries 55 gizzard shad 55 burbot 55 cormorants 55 loggerhead turtles 55 Didymo 55 brookies 55 salmonids 55 zebra mussels 55 loggerhead sea turtles 54 spawning salmon 54 aquatic weeds 54 shoaling 54 freshwater wetlands 54 stocked trout 54 sauger 54 seagrass beds 54 otters 54 underwater grasses 54 tailwaters 54 shad 54 spawning habitat 54 horseshoe crabs 54 tributary 54 zebra mussel 53 overharvesting 53 filter feeders 53 Steller sea lion 53 zooplankton 53 estuarine 53 longfin smelt 53 tributaries 53 rivers 53 muskellunge 53 lamprey 53 horseshoe crab 53 aquatic ecosystems 53 chinook salmon 53 loggerhead turtle 53 damselflies 53 bald eagles 53 mussels 53 dissolved oxygen 53 crayfish 52 freshwater fish 52 saugeye 52 terrapins 52 Chinook salmon 52 brown trout 52 river otter 52 Vibrio 52 gillnets 52 spawning beds 52 piping plover 52 estuary 52 harmful algal blooms 52 spring chinook salmon 52 tailwater