Sputnik+Sea+Urchin

=__Sputnik Sea Urchin__= -also known as the imperial sea urchin, knobby sputnik sea urchin
 * __Scientific name__:** //Phyllacanthus imperialis//
 * __Class__:** Echinoidea

__**Phylum:**__ Echinodermata


 * __Location__:** North America, Pacific ocean, from Canada to the Baja peninsula


 * __Size__:** Varies, average is 3 1/4 inches


 * __Habitat__:** aroung 33 ft below the surface, in rocky parts, with plenty of nutrition


 * __Living requirements__:** Must be in teh water to survive, eat plant and animal matter as well as kelp, dead fish, sponges, barnicles, and mussels


 * __Life cycle__:** reproduction is done externally, the eggts or sperm are released from genopores, which turn into small larvea that swim around and are a componet of zooplankton, takes many months for young sea urchins to form, and last about 2 to 5 years


 * __Human Impact:__** some times a source of food by humans, and are killed and used for decorations

- no differences between gender - these sea urchins are eaten by crabs, sunflower stars, sea otters, some birds fish and people - sputnik sea urchins are dried out and sold for decoration - sputnik sea urchins are dried out and sold as a decoration

Zookeeper: Sidney Baker Work Cited [] [] []