FIVE ISLANDS, Maine - Up north, it's too warm.

A rise in ocean temperatures is killing off the iconic livelihood of New England fishermen. Two years ago, they hauled 14 million pounds of shrimp, but this year they'll only catch a tenth of that.

Off the rocky coastline of Five Islands, Maine, Ronald Pinkham has been up before dawn, setting traps for nearly 60 years. He said the catch today is terrible.

A third-generation fisherman, he's caught lobster in spring, summer and fall and shrimp each winter when lobsters move offshore. But, that annual rhythm is changing.

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