Related by context. Frequent words. (Click for all words.) 65 freshwater mussels 65 Quagga mussels 65 Zebra mussels 62 species 62 tunicates 61 round gobies 61 sea lampreys 61 aquatic invertebrates 61 gastropods 60 voracious eaters 60 amphipods 59 Gypsy moths 59 round goby 59 Invasive plants 59 garter snakes 58 zebra mussel 58 gizzard shad 58 mussel species 58 gobies 57 Hydrilla 57 Stink bugs 57 flatworms 57 mollusks 57 larval stages 57 Phragmites 57 zebra mussels 56 Invasive species 56 Sea otters 56 insect larvae 56 californica 56 winged insects 56 flea beetles 56 mussels 56 Coho salmon 55 snowy plovers 55 damselflies 55 invertebrates 55 mayflies 55 purple loosestrife 55 stickleback 55 spotted salamanders 55 baleen whale 55 filter feeders 55 bowfin 55 lady beetles 55 red legged frogs 55 fairy shrimp 55 loosestrife 55 Emerald ash borer 55 Eurasian watermilfoil 55 orchid species 55 federally endangered 55 mosquitofish 55 stoneflies 55 lampreys 55 garter snake 55 wintering birds 55 freshwater marshes 54 brookies 54 crayfish 54 anemone 54 blue gill 54 snails 54 mealybug 54 native brook trout 54 timber rattlesnake 54 moth larvae 54 avian species 54 adelgids 54 frogs toads 54 macroinvertebrates 54 damselfly 54 wood stork 54 tent caterpillars 54 Argentine ants 54 quagga mussel 54 agaves 54 silver carp 54 roseate spoonbills 54 grackle 54 ringnecks 54 damselfish 54 insects 54 marine invertebrates 53 snapping turtles 53 northern snakehead 53 pupfish 53 ash borers 53 spoonbill 53 Naegleria 53 redpolls 53 aquatic creatures 53 adelgid 53 snowy egrets 53 reproduce asexually 53 Sandhill cranes 53 protozoan 53 snakehead fish 53 molluscs 53 batfish 53 nonnative fish