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Humboldt squid on the move

Over the last five years, large, predatory Humboldt squid have moved north from equatorial waters and invaded the sea off Central California, where they may be decimating populations of Pacific hake, an important commercial fish. Ironically, these squid may have benefited from the decline of large tuna and billfish in the Equatorial Pacific. Historically, such large commercial fish preyed on and competed with the Humboldt squid for food.

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