Sunflower sea star

Lilly King, Period 3

Habitat



Found in the Sub Tidal Zone

  • Common in the Pacific from Alaska to Southern California,

  • Shallow water.

  • Mud

  • Sand

  • Gravel

  • Boulders

  • Rocks

Daily Changes

  • Temperature changes
  • Salinity changes
  • Limited Space
Deal with the changes by going deeper into water

Special Body Adaptions/ Characteristics to help it survive in the ITZ environment

  • Shed arms to escape, grow them back within a few weeks

  • powerful suckers on the 16-24 arms,

  • reversible cardiac stomach that can envelop

  • digest prey outside its body.

How does it move ?

suction cups on the tentacles !!!

Food Source ( what does it eat?)

  • Carnivorous

  • Mussels

  • Sea urchins

  • Fish

  • Crustaceans ( crab and barnacles)

  • Sea Cucumber

  • Brittle Star

  • Clams

How does it eat ?

  • Puts leading 8 arms in front and when contacts the prey throw are down on top of it
  • Protrudes it stomach
  • Envelops the entire prey
  • Lastly, digest it

Predators ( what eats it ?!?)

  • Sea otter
  • Alaska King Crabs
  • Gulls (birds)

Citatations


"Sunflower Sea Star Eats a Crab." Alaska Fishers Science Center. NOAA. Web. 6 Mar 2014. <http://www.nmfs.noaa.gov/gallery/images/photos/5574653791.html>.


Troll, R. 6 Mar 2014. <http://www.nmfs.noaa.gov/speciesid/fish_page/fish6a.html>.