Habitat: Underside of rocks in very shallow water. Natural History Notes: This species is PRETTY, and found in SHALLOW water... and is OVERCOLLECTED. Depth: 1 - 9 m Characteristics: Maximum reported size: 133 mm. Has the distinctive long, narrow cyprid aperture bordered on both sides by narrow, dark brown teeth. The background color of the shell is light to dark brown and it sometimes has greenish or purplish overtones. Juvenile shells have wider, toothless apertures.