India, April 17 -- The planet's fast-warming oceans will deal a double blow to some of their most iconic fish like the Great White Shark. Not only will such fish have to find areas of the sea which are cooler, there is no guarantee that they will be able to find suitable prey there, according to a new study.

Researchers from Trinity College Dublin in Ireland and the University of Pretoria in South Africa, conducted the study on what are known as 'mesothermic' or warm-bodied fishes like the Great White, the Basking Shark and tunas.

Mesothermic fishes are a rare group, comprising less than 0.1 per cent of all fish species. They can retain metabolic heat and keep parts of their bodies warmer than the surrounding seawater.

This ability, ac...