USGS
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Freshwater Plankton Images

ZOOPLANKTON

Taxa are displayed by National Park and then by phylum, subphylum, class, subclass, order and family;
as per Edmondson, W.T.,
Freshwater Biology, 2nd. ed.





Crater Lake National Park
Daphnia ambigua
Daphnia ambigua postabdominal claw
Daphnia ambigua
Daphnia ambigua,
postabdominal claw
Daphnia pulex
Daphnia pulex postabdominal claw
Daphnia pulex
Daphnia pulex,
postabdominal claw
Bosmina longirostris
Bosmina longirostris, postabdominal claw
Bosmina longirostris
Bosmina longirostris,
postabdominal claw



our research vessel at Crater Lake, R/V Neuston
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