Purple Sea Star

Chris Miller
Ms. Moore
Zoology
24 March 2011
Purple Sea Star

1. Pisaster ochraceus, or purple sea star.

2. Pisaster ochraceus means “ocher-colored star.”

3. The purple sea star was discovered by Brandt in 1835.

4. Kingdom – Animalia
Phylum – Echinodermata
Class – Asteroidea
Order – Forcipulatida
Family – Asteriidae
Genus – Pisaster
Species – P. ochraceus

5. The purple sea star is purple, but can also be orange or brown, have five short and thick arms, has white spines surrounded by a darker purple, has a pentagonal pattern of ossicles on its ventral side, has many tube feet underneath its arms, and can grow to 20 inches.

6. The Pisaster ...

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PAPER DETAILS
Added: 3/24/2011 07:03:58 PM
Submitted By: miller456
Category: Biology
Type: Free Paper
Words: 205
Pages: 1

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