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No one has accurate answers to this question. Since the GW population is so migratory and also so isolated from one fish to the next, it is impossible to pick an animal and follow it. However, scientists studying GW's off the Farallon Islands (currently one of the hotbeds in the world for GW research) have identified by dorsal markings several individual animals and one, Stumpy, so named because she is missing the top portion of her caudal fin, has been observed returning to feed for 18 years. Is she an old shark? A young shark? No one can say for sure.

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17y ago

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