Home Educational Meet the bluefin tuna, the toughest fish in the sea – Grantly Galland and Raiana McKinney Meet the bluefin tuna, the toughest fish in the sea – Grantly Galland and Raiana McKinney Learning A New Way May 03, 2021 0 Comments Tweet on Twitter Share on Facebook Pinterest Check Out Our Recommended Resources Page See Some AMAZING Classes On DIY! animation anna benner atlantic bluefin tuna bluefin populations bluefin tuna bluefin tuna fishing countercurrent exchange education fish populations fishing gills grantly galland great white shark illegal fishing ocean predators orca whale overfishing Raiana McKinney regional endothermy rete mirabile spawning grounds sustainable fishing TED Ted Education TED-Ed Teded temperature regulation tuna species warm blooded fish