It's illegal to own a leopard shark under 3 feet in length from what I understand. I suggest you look into CA
law to see if you should bother pursuing this. Unless you have a swimming pool to toss the shark into, it ain't gonna happen.
Here's a little interesting reading for you.... http://www.nmfs.noaa.gov/ole/news/news_SWD_021506.htm
75: blood parrots, featherfin cat, emperor tetras, turquoise rainbowfish, BN plecos, japanese trapdoor; 46: WCMM, gold inca snails, ghost, bamboo & amano shrimp, kuhli loaches, rummynose & ember tetras, endlers, platies, flame gourami, guppies; 16: pygmy, peppered, loxozonus corys, otos, assassins, RCS ... ~ Research PRIOR to purchase.... ~