Sheila Patek wants her California spiny lobster to make some noise. "C'mon, Clarisse," she coaxes. Patek's left hand is bleeding, the damage inflicted moments earlier when Clarisse, who is at least a foot long excluding antennas, let loose with her barbed tail. Undeterred, Patek keeps giving the lobster light, provocative squeezes. But Clarisse is unmoved.