5,141 Free Images of Freshwater

molluskharvard universityernst mayr libraryindiashellconchologia indica, being illustrations of the land and freshwater shells of british indiafreshwater musselwork of the servicebiologists(usfws)underwater
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FWS biologist propagates freshwater mussels in a labratory-2
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Students surveying freshwater mussels-1
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Students surveying freshwater mussels-2
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FWS biologist holds a purple bankclimber freshwater mussel-4
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Students examine freshwater mussels on shore-2
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Students surveying freshwater mussels-3
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Mussels in plastic dish racks
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Students surveying freshwater mussels-1
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Students examine freshwater mussels on shore
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Mussel basket with 200 micron mesh
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Culture beakers in the pulsed flow-through system
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Extracting glochidia from freshwater mussel
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Students surveying freshwater mussels-1
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FWS biologist propagates freshwater mussels in a labratory-1
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Students examine freshwater mussels on shore-1
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FWS biologist propagates freshwater mussels in a labratory-2
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Partial flow-through bucket system-1
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Sub-adult Fatmucket
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Freshwater Mussels
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Students examine freshwater mussels on shore-2
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Partial flow-through bucket system-2
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Lake 2d Stratified
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Lake 2d Varves
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Karst 3d Cenotes Sinkholes and Coastal Lagoon
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Freshwater Beach, Manly from The Powerhouse Museum
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Juvenile culture chambers in the tank upweller
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Students examine freshwater mussels on shore-1
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Standing cages at Genoa National Fish Hatchery
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Haemacytometer grid used to enumerate algal cells
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Students examine freshwater mussels on shore-1
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Students examine freshwater mussels on shore-4
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Students surveying freshwater mussels-4
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