Strongylocentrotus fragilis

Description

General: Distinguished by its extremely thin test. The test is strongly depressed and flattened on the ventral surface. Spines are 10 to 20 mm long and light in color. Test color is reddish claret, though younger speciemans are orange-red in color.

Size: To 94 mm diameter and 44 mm height.

Geographic Information

Habitat description: Benthic, soft sediment.

Ocean range (global): Northeast Pacific.

Published depth range: 227 - 620 m

Additional Information

Diet: Plant and animal scraps.

Color: Orange-red to red.

Key visual features: For Monterey Bay, pink.

Other resources: National General Status Working Group (2020). Standardized Common Names for Wild Species in Canada. www.wildspecies.ca. (Accessed 10/10/20)

References

Encyclopedia of Life

Tree of Life

World Register of Marine Species

National Center for Biotechnology Information

Biermann, C.H., B.D. Kessing, and S.R. Palumbi (2003). Phylogeny and development of marine model species: strongylocentrotid sea urchins. Evolution and Development, 5: 360-371. http://dx.doi.org/10.1046/j.1525-142X.2003.03043.x

Jackson, R. T. (1912). Phylogeny of the Echini with a revision of Palaeozoic species. Memoirs of the Boston Society of Natural History, 7: 1-491.

Lambert, P. and W.C. Austin (2007). Brittle stars, sea urchins and feather stars of British Columbia, southeastern Alaska and Puget Sound. Victoria, Canada: Royal British Columbia Museum.