/jp/ - Otaku Culture

>>4664617
No clue. But it seems I do have a subscription there, so here are pictures of nudibranchs with their dicks in themselves.

P penis, VA vagina, VD vas deferens.

Many animals, especially parasites, do self-cross, but prefer to outcross when the opportunity presents itself. However, some do practice selfing almost to exclusion of a partner. Those snails here seem to be examples:

http://www.jstor.org/pss/2410749