theoneaboutscience: The ability of a dragonfly nymph to successfully snatch and grab food is directly related to its anus. The mouth-grabber (labium) is hydraulically activated. The dragonfly draws water in through the anus, clenches, then compresses
tags: ill be here just swanging,
from: https://swollenassassin.tumblr.com/post/70232577227