Author: Verburg & Bills, 2007
Comments: Highly stenotopic, restricted to rocky habitat; occurs in exposed parts of rocky shores, with large boulders (1-2 m in diameter) on a steep slope, with some sand in between the stones, and no bivalve shell accumulations or other rubble present; presence of sand is mandatory; water with high visibility and low sedimentation rates; most common at depth between 10 and 20 m; strong site fidelity and small home range; ingests sediment and spits it out through mouth (Ref. 74422).