And the rounded bodies were new and ghastly-looking creatures, in shape somewhat resembling an octopus, with huge and very long and flexible tentacles, coiled copiously on the ground.

Some crabs wield an anemone firmly grasped in each claw, the stinging nematocysts of the parasite warding off the devilish octopus, and the anemone having a share of the crab's meals and the pleasure of vicarious transportation.