Image Sue Scott - Small group of individuals on rocky substratum Image width: c: 40 cm.
Image copyright information
Strongylocentrotus droebachiensis is not listed under any importance categories.
|Phylum||Echinodermata||Starfish, brittlestars, sea urchins & sea cucumbers|
|Class||Echinoidea||Sea urchins, heart urchins and sand dollars|
|Authority||(O. F. Müller, 1776)|
|Recorded Distribution in Britain and Ireland||The species is recorded as occurring on north sea coasts from Shetland to the southern north sea. However, recent records from shallow inshore areas are for Shetland only.|
|Habitat information||Strongylocentrotus droebachiensis is found on the lower shore and infralittoral fringe down to 1200 m on rocky grounds browsing on algae. In the few locations, where it is found in Britain, it occurs in the lower infralittoral and upper circalittoral.|
|Description||Strongylocentrotus droebachiensis grows up to 8cm in diameter with a low flat profile. Skeletal plates are greenish-brown with numerous reddish, greenish, or even violet spines that are usually white tipped.|
|Additional information||May retreat further north with rising water temperatures. Can occur in plagues or swarms which devastate kelp beds in Norway.|
This review can be cited as follows:
Dean Russel 2001. Strongylocentrotus droebachiensis. Northern sea urchin. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 29/07/2015]. Available from: <http://www.marlin.ac.uk/speciesinformation.php?speciesID=4396>