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A Swimming Snail
Sea butterflies (also called pteropods) are sea snails aptly named: they are...
A fringe of short tentacles surrounds the flattened bell of this tiny, transparent...
A Ctenophore Feeds
The comb jelly (ctenophore) Thalassocalyce inconstans is found in shallow to deep...
Citizens of the Sea
The incredible variety of marine life—in numbers, body form, behavior, and...