Related by context. Frequent words. (Click for all words.) 54 kokanee salmon 52 Elkhorn Slough 52 Chetco River 52 freshwater mussels 52 aquatic ecosystem 52 Au Sable River 52 tailwaters 52 headwater 52 cutthroat trout 51 steelhead trout 51 mainstem 51 Au Sable 50 salmon steelhead 50 Coho salmon 50 Blackfoot River 49 steelhead 49 headwaters 49 Upper Klamath 49 splake 49 Cayuga Lake 49 Willapa Bay 48 trout 48 Smallmouth 48 Tenmile 48 streamside 48 Middle Fork 48 Watershed 48 coho salmon 48 Mokelumne River 48 aquatic organisms 48 lakes 47 Metolius 47 Athabasca River 47 brookies 47 Yellow perch 47 fish 47 bull trout 47 bottomlands 47 brown trout 47 freshwater 47 aquatic habitat 46 lake trout 46 walleye 46 spawning beds 46 tributaries 46 Mokelumne 46 smallmouth bass 46 brook trout 46 spawning habitat 46 yellow perch 46 lake sturgeon 46 lake 46 creeks rivers 46 sauger 46 eel grass 46 saugeye 46 landlocked salmon 46 River Watershed 45 Watersheds 45 Menhaden 45 oxbow 45 coho 45 chinook salmon 45 smelts 45 inland lakes 45 estuaries 45 alewife 45 bullheads 45 salmon spawning 45 salmonids 45 Panfish 45 sportfish 45 Walleye 45 blue gill 45 Flaming Gorge 45 dissolved oxygen levels 45 Lake Pend Oreille 45 Rainbow trout 45 Lake Taneycomo 45 contaminated sediments 45 Cachuma 45 tailrace 45 tailwater 45 rainbow trout 45 trout fishery 45 aquatic ecosystems 45 fathead minnows 44 Chetco 44 riparian habitat 44 northern pike 44 Riparian 44 Creek tributary 44 Youghiogheny River 44 freshwater lakes 44 burbot 44 intertidal 44 Suisun Marsh 44 Deschutes River 44 bluegills 44 crawdads 44 estuary