Stichopus chloronotus is a fairly large species growing to about 25 cm (10 in) with a firm but pliable body and a squarish cross section.

The skin is smooth but there are numerous conical fleshy papillae in longitudinal rows, and these are larger on the lower lateral angles.

Its range extends from the Red Sea and the East Coast of Africa, through Madagascar, the Seychelles, the Comores and Réunion[2] to Australia, Indonesia, China, Japan, Guam, Fiji, Tonga and Samoa.

[3] Stichopus chloronotus is a detritivore and sifts through the sediment on the seabed with its tentacles and feeds on detritus and other organic matter including plant and animal remains, bacteria, protozoa, diatoms and faeces.

[6] Stichopus chloronotus can reproduce asexually by undergoing transverse fission, forming two new individuals which each regenerate the missing parts.