Ralph Pace / Swell Shark (Cephaloscyllium ventriosum) egg case and embryo, Monterey, California
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Alex Mustard / Draughtsboard Shark / Australian Swellshark (Cephaloscyllium laticeps) swims through a giant kelp forest (Macrocystis pyrifera). Like a pufferfish, this species of shark is able to rapidly swell with...
Flip Nicklin / Swell Shark (Cephaloscyllium ventriosum) egg case with embryo, sometimes called mermaid's purses, the pups will hatch in 7-10 months, native to the Pacific Ocean
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Norbert Wu / Swell Shark (Cephaloscyllium ventriosum) swells up as defense, California
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Norbert Wu / Swell Shark (Cephaloscyllium ventriosum) underwater, so named because it swells up as defense against predators, California