Stichopus horrens is a variable, grey to green/black sea cucumber from the Indo-Pacific.

It is a medium-sized species (to 30 cm) with a smooth tegument but large and irregular papillae.

The big tubercles and irregular body form give an "irregular, soft and almost repulsive" appearance .

S. horrens many be found on reefs, below rocks on flats.

This article about a sea cucumber is a stub.