Notes on animal associations. 5. The pea crab Pinnotheres deccanensis Chopra inside the respiratory tree of the sea cucumber, Holothuria scabra Jager.

Abstract

In sluggish and comparatively defenceless nature of the holothurians make them convenient hosts to many commensals and parasites. A variety of commensals, from protozoans to fish, have been reported from them of which the most interesting and classical example is the pearl fish, Carapus formerly known under Fierasfer.