Young adult Cassiopea, or upside-down jellyfish, as seen from above in the lab at the Department of Invertebrate Zoology in the Smithsonian’s National Museum of Natural History.
Credit: Allen Collins
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Young adult Cassiopea, or upside-down jellyfish, as seen from above in the lab at the Department of Invertebrate Zoology in the Smithsonian’s National Museum of Natural History.
Credit: Allen Collins