Related by context. Frequent words. (Click for all words.) 56 threatened delta smelt 56 humpback chub 55 salmon steelhead 54 Delta smelt 54 longfin smelt 53 rainbow smelt 53 Coho salmon 52 nesting habitats 52 red legged frogs 52 freshwater habitats 52 steelhead trout 52 Yellowstone cutthroat trout 51 anadromous 51 tiger salamanders 51 overharvested 51 caddis flies 51 rusty crayfish 50 mussel species 50 salmon fisheries 50 chinook salmon 50 Sacramento splittail 50 aquatic ecosystem 50 tiger salamander 50 Delta Smelt 50 wintering habitat 49 snail darter 49 salmon fishery 49 wetland ecosystem 49 Sea otters 49 Chinook salmon 49 voracious predators 49 hawksbill turtles 49 steelhead populations 49 Spotted Owl 48 migrating northward 48 leopard frogs 48 threadfin shad 48 salmon 48 saltwater marshes 48 delta smelt 48 native brook trout 47 federally endangered 47 yellow legged frogs 47 threatened coho salmon 47 stonefly 47 frogs salamanders 47 salmon fry 47 freshwater mussels 47 shovelnose sturgeon 47 salmon smolts 47 shortnose sturgeon 47 salmons 47 kokanee salmon 47 Sockeye salmon 47 bass bluegill 47 salmonid 47 endangered pallid sturgeon 47 migratory fish 47 Salmon Trout 47 clam beds 46 Hanford Reach 46 pygmy rabbit 46 hellbender 46 federally endangered species 46 Trumpeter swans 46 nonnative fish 46 brine shrimp 46 Yolo Bypass 46 oxbows 46 tributary streams 46 river drainages 46 endangered mussels 46 snowy plovers 46 Omo River 46 Brook Trout 46 aquatic ecosystems 45 fish 45 freshwater shrimp 45 splittail 45 overharvest 45 eelgrass beds 45 sturgeons 45 sturgeon 45 estuary 45 aquacultural 45 California tiger salamander 45 leatherback sea turtles 45 stoneflies 45 tiger muskies 45 keystone species 45 habitat 45 Bolinas Lagoon 45 salmonids 45 migratory bird populations 45 northern spotted owls 45 endangered species 45 eulachon 45 cutthroat trout 44 goshawks 44 waterbirds 44 vaquita