Deep-sea fish thrive in extreme pressure, darkness, and pollution, revealing new survival mechanisms and threats.

Adaptations of the teeth and jaws that allow the fish to adapt to a wide range of food sources and habitats are thought to be a factor in their success. Fish, including cichlids, have either ...

And warming ocean temperatures affect the migration of tuna, a fish that is vital to many economies in the Pacific. What are the challenges that climate adaptation action faces in the Pacific?