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An Invasive Brittlestar
These brittlestars (Ophiothela mirabilis) are not where they belong. These animals,...
Transparent sea jelly
Many jellyfish in the class Hydrozoa, such as this hydromedusa Aglantha digitale,...
Ice divers use a quadrat to study the density of creatures living on the underside...
Scripps scientist Gerald Kooyman's expeditions have documented climate-induced...
Arctic Sea Jelly
Chrysaora melanaster, one of the largest jellyfish commonly found in the Arctic,...