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Mosquito Fish.............................. ...Black Bullhead..................................Green Sunfish..............................
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Ekman Dredge............................. ...Kemmerer Water Sampler.................Umbrella Lift Net........................
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......D-Frame Aquatic Net................... ...Plankton Tow...................................... Secchi Disk..........................
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Leopard Frog.............................. ...Large Water Bug...............................Bullfrog.......................................
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Duckweed................................... .............Crayfish.....................................American Egret.....................
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........Cattail...................................Sedge................................Spike Rush...................................Smartweed...........
......Great Blue Heron.................................Freshwater Mussel...............................Freshwater Leech.....................
General Biology Pictures Page 2