They Float Belly Up
The slugs are pelagic, which means they float belly up. The blue on their underbelly helps camouflage them with the blue color of the ocean. They stay afloat by swallowing air and holding it in their stomachs.
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The slugs are pelagic, which means they float belly up. The blue on their underbelly helps camouflage them with the blue color of the ocean. They stay afloat by swallowing air and holding it in their stomachs.
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