Is it actually anal?
[spoiler]For those of you not in the know, sea cucumbers have something called a cloaca that they both breathe through and poop out of. They also fart out their lungs when scared (pictured above).[/spoiler]
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Edited by Lord Ruler: 11/19/2013 11:08:40 PM[spoiler][i]It's both[/i][/spoiler]