Photo: Nudibranch with red polka dots

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The species of this colorful sea slug is Goniobranchus splendidus, spotted by John Turnbull in Austraila’s Port Stephens. It’s a member of the group of creatures called nudibranchs. As you might have guessed from its ear-like organs called rhinophores, they’re in same family tree as sea bunnies.

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