Dermasterias imbricata

Dermasterias imbricata (Grube 1857)

Common Names

Leather Star (English), Garlic Star

Languages: English

Overview

Biology

Feeds on sponges, hydroids, bryozoans, colonial tunicates, algae, pennatulids, holothurians, echinoids and other asteroids, with diet varying with the region.

Author(s): Nelson, Jocelyn
Rights holder(s): Nelson, Jocelyn

Description

The polynoid worm Arctonoe vittata is a potentially mutualistic symbiont.

Author(s): Nelson, Jocelyn
Rights holder(s): Nelson, Jocelyn

Description

Morphology

Has five triangular rays, and a body with a large, broad disc. Each ray has two rows of suckered tube feet (photo).

Author(s): Nelson, Jocelyn
Rights holder(s): Nelson, Jocelyn

Diagnostic Description

The surface is almost completely smooth to the touch, and covered with a velvety skin, and lacks pedicellariae. Emits a pungent garlic-sulphurous odor. The colour in life ranges from red to orange with grey-red imbrications. Papulae are present in widespread patches over the surface (photo).

Author(s): Nelson, Jocelyn
Rights holder(s): Nelson, Jocelyn

Size

Diameter can reach up to 25cm.

Author(s): Nelson, Jocelyn
Rights holder(s): Nelson, Jocelyn

Ecology

Habitat

Lives intertidally to 91m depth.

Author(s): Nelson, Jocelyn
Rights holder(s): Nelson, Jocelyn

Status

Status in BC

Native (Lamb & Hanby)

Author(s): Nelson, Jocelyn
Rights holder(s): Nelson, Jocelyn

Distribution

Native range

Central Alaska to northern Mexico.

Author(s): Nelson, Jocelyn
Rights holder(s): Nelson, Jocelyn

Reference Collection

Sample Number

14

Author(s): Nelson, Jocelyn
Rights holder(s): Nelson, Jocelyn

References

Lamb, A., & Hanby BP. (2005).  Marine Life of the Pacific Northwest. 398.
Light, S. F., & Carlton J. T. (2007).  The Light and Smith manual: intertidal invertebrates from central California to Oregon. 1001.