Occurs at densities of one to two individuals per 10 m2, more or less regularly spaced on the zone of pillow basalt surrounding active hydrothermal vents, and at the base of chimneys among vent mussels Bathymodiolus
sp., crabs bythograeid spp. and ophidiid fish. Omnivorous.
MACPHERSON E., JONES W.J. & M. SEGONZAC (2005) Zoosystema 27(4): 709-723.