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Whale Copepods Sea Lice
Barnacles and Sea Lice.tif
Copepods and barnacles linger on a dead gray whale (Eschrichtius robustus) that washed up on Arroyo Beach in West Seattle, Washington. Whales provide a mobile ecosystem to thousands of creatures, both when alive, and after their bodies reach the sea floor; Wednesday, April 15, 2010. (Photo/William Byrne Drumm)

