nobody crab

• no-body crab, nobody-crab

Compound of no +‎ body +‎ crab, referring to its extremely small torso.

nobody crab (plural nobody crabs)

1. (rare, dated) A sea spider.
   • 1975, David Bellamy, The Life-Giving Sea, New York, N.Y.: Crown Publishers, Inc., →ISBN, page 131:

     Nobody crabs can be found by anybody with the patience to look. They slowly crawl about on the surface of seaweeds and invertebrates, and look like a spider with a very bad dose of rust in its joints.

• “nobody-crab, n.”, in OED Online ⁠, Oxford: Oxford University Press, launched 2000.