Get notified whenever new sightings are posted via our Twitter account @NLNatureAlerts

Green Sea Urchin Links

Previous Sightings by Marcel Roy

Thumbnail ImageRed-breasted nuthatch on September 04, 2010
Thumbnail ImageAmerican Black Duck (Anas rubripes) on October 10, 2010
Thumbnail ImageBelted Kingfisher (Megaceryle alcyon) on January 14, 2010
Thumbnail ImageBlack-capped chickadee on December 03, 2010
Thumbnail ImageCommon Murre or Common Guillemot (Uria aalge) on July 07, 2010
Thumbnail ImageMink on May 12, 2009
Thumbnail ImageMallard or Wild duck (Anas platyrhynchos) on October 17, 2010


  • Viewed: 2514 times
  • Liked: 2 times

Do you like the sighting?

2 liked it
Contributors » Marcel Roy » Green Sea Urchin

Green Sea Urchin discovered by Marcel Roy (#447)

Powered By Subgurim( Maps ASP.NET

Sighting Info

Observed: December 10, 2010 @ 1:00 PM
Posted on: December 29, 2010 @ 11:13 AM (diff: 19 days)
Green Sea Urchin Green Sea Urchin: average size is 50-60 mm, but may reach a maximum size of about 85 mm. Distribution: The green sea urchin is one of the most widely distributed of all Echinoderms. It has a circumpolar distribution, which extends into the Arctic regions of both the Atlantic and Pacific Oceans. It commonly inhabits the rocky subtidal zone from the low-tide mark down to a depth of 1200 m, but also occurs intertidally in tide pools. Diet: The green sea urchin primarily grazes on seaweeds (kelp being its preferred food source), but will also consume a wide variety of organisms including mussels, sand dollars, barnacles, whelks, periwinkles, sponges, bryozoans, dead fish, and - when hungry enough - other sea urchins. They are eaten by: A variety of predators including crabs, sea stars, wolf eels and humans. The Japanese relish the gonads called "uni",

Sighting's Identification

Help to Identify

Newfoundland Nature

Newfoundland Nature

Leave Your Comment

In order to leave a comment, you need to register. It is very fast and easy

Click here to login or register