Sand Rose Anemone

Scientific Name Urticina columbiana

Native To Pacific Ocean from Vancouver Island to California

Habitat Found in tidal pools and just off the shore

Diet Primarily feed on urchins, small fish, clams and mussels, and detritus

Size and Age Can grow to be 1 metre in diameter. It is not known how exactly long they can live but they will live several decades.

Natural History

These anemones are typically not found attached to rocks like other anemones. They live on the sandy ocean floor among sand, mud, and shells. They are usually partially buried with just their tentacles exposed. They got the name ‘rose’ because they are coloured anything from pink to a deep red.

Near Threatened

Conservation Status

Two major threats facing these anemones are loss of suitable habitat and pollution such as oil spills and agricultural runoff. As ocean levels rise the tidal pools these specialized animals live in become unsuitable.

Interesting Facts

  • The Candy Stripe Shrimp has been to known to live in this anemones tentacles the same way clown fish live in tropical anemones.
  • This anemone is one of the largest in the world, reaching 1 metre in diameter.
  • When food is plentiful these anemones will increase in size. When food is scarce they will decrease in size.