The entire basis of this site centers on obtaining, keeping and using sea urchins and their gametes. The following will help:

• SUPPLIERS & SEASONS/SPECIES
• KEEPING ADULTS
• FEEDING
• STORING GAMETES

Related information about sea urchins.

• ANATOMY & PHYSIOLOGY
• NATURAL HISTORY
• PATH OF DEVELOPMENT
• CLASSIFICATION TREE
• LINKS TO OTHER SITES
• ILLUSTRATIONS OF URCHINS