Royal sea cucumber

Species that are not subject to scientific assessment

Description :
Parastichopus regalis grows to a length of about 20 cm (8 in). The body is soft and somewhat flattened, and a clearly incised lateral fold with large papillae separates the dorsal surface from the ventral surface.

Habitat :
It is typically found on sand or other soft substrates, at depths down to about 800 m (2,600 ft). It is commonest in the 100 to 300 m (300 to 1,000 ft) depth range.