From dugong to octopuses, here are 8 marine species being pushed toward the poles

,If you take a plunge in the sea this winter, you might notice it’s warmer than you expect. And if you’re fishing off Sydney and catch a tropical coral trout, you might wonder what’s going on.

The reason is simple: hotter water. The ocean has absorbed the vast majority of the extra heat trapped by carbon dioxide and other greenhouses gases. It’s no wonder heat in the oceans is…