University of Otago – Ōtākou Whakaihu Waka scientists have discovered that it takes mere minutes for a species of sex-changing fish to develop dominant behaviour after a change in the pecking order.

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: iStock Nanoplastics are disrupting fish's ability to think and make decisions, with troubling implications for ocean ...

The Big Apple has become the new sea-life hot spot. Warm-water fish from southern regions are making the Big Apple their new home — as rising temperatures are attracting marine creatures used to balmy ...

Climate change is reshaping fish habitats. Some fish are winners, others are losing out. Subscribe to our newsletter for the latest sci-tech news updates. Fish already face plenty of pressure from ...

The waters off the New England coast are warmer because of climate change. That has brought in new fish and the potential for new opportunities for fishermen. But climate change is happening so fast ...

Freshwater fish populations that dwell nearer the poles are outperforming their equatorial counterparts, researchers have found. Freshwater fish populations that dwell nearer the poles are ...