hitchhiking, handsome and five perfect sails

The all-knowing internet confirmed that the crab and the jellyfish I saw on Cedar Creek have a symbiotic relationship. More precisely, they are demonstrating commensalism. This is where one organism receives a benefit and the other organism receives neither benefit nor harm. The crab gets a free ride at no cost to the jellyfish. Seems like a good deal. -------------------- While tied up in…