Times (UK): One of the ocean’s most ferocious predators will be tamed by global warming, researchers say. Warmer, more acidic water is making the cannibalistic Humboldt squid lethargic, to the relief of weaker squid and of fishermen. Humboldt squid — aka jumbo squid, or Dosidicus gigas — come to oxygen-rich surface waters at night in swarms of up to 1,200 individuals and feed with such ferocity that injured members of their own species are torn apart. They are even said to have attacked …