The anus, at the posterior end, has Cuvierian tubules situated at its base, which are readily ejected as sticky threads if the animal is disturbed or handled.
[6] Bohadschia argus inhabits shallow tropical waters throughout the eastern Indian Ocean and the western Pacific.
[1] It is commonly found in and around coral reefs on exposed, sandy areas of the seabed,[4] typically at depths of 2 to 10 m (6.6 to 32.8 ft) below the surface.
[7] In a study in the Banda Islands in the South Moluccan Sea, a group of 15 star pearlfish were found living within the body cavity of a single Bohadschia argus.
[8] Carapus mourlani, which have a mutualistic relationship with Bohadschia argus, will aggressively defend their sea cucumber from the parasitic Encheliophis boraborensis, and in some cases may even fight them to the death.