Hermit crabs are omnivorous scavengers ... coming partly out of their shells so the male can transfer a sperm packet to the female, which fertilizes her eggs. She later carries her eggs to ...

If you took a look in your kitchen cupboards right now, it's a good bet there would be cans or packets of tuna in there. But ...

In this crab’s case, those appendages are its 10 ... Fertilization is internal, with the male inserting a spermatophore, or sperm packet, into the female as their abdomens press together.