Hermit Crab Anemone
Verrilactis paguri
Verrillactis paguri is a species of sea anemone in the family Sagartiidae. Another species of sea anemone, Calliactis polypus in the family Hormathiidae is sometimes seen together with V. paguri on the snail shell in which a hermit crab lives. While V. paguri attaches itself near the surroundings of the shell aperture, C. polypus is found on the top of the shell and extremities.