Ocean giant gets a health check: Combination blood, tissue test reveals whale shark diets
(PHYSorg.com Biology)

Whale sharks, the world`s largest fish, likely endure periods of starvation and may eat more plants than previously thought, according to the first results of a new health check developed at the University of Tokyo. Ocean scientists now have a powerful, simple tool to discover the diets, migrations, and conservation needs of this endangered species.