When we look at data over the past 20 years, we get a size distribution of sharks.

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They're moving into Massachusetts, but they're too young, too immature to give birth. They are between 5 and 15 years old.

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Using tags, we know where they are in the summer and fall, but not in the winter.

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You could put your hand in the mouth of a smooth dogfish and not get hurt, but you don't want to do that with a sandbar shark.

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