Around the world, fishermen use low-cost nets that sit like fences on coastal seafloors. Known as set gill nets, this type of gear is highly effective at catching fish when the mesh snags them by ...

Undersea canyons off Madagascar may turn out to be the Indian Ocean epicentre for coelacanths, the remarkable “fossil fish” which re-surfaced from apparent extinction in 1938. Coelacanths have turned ...