How Large Predatory Game Fish Use Body Heat To Their Advantage –
Including a Tuna Photo Gallery
By April Huffman, Msc
From a young age, we were all taught that animals generally fall into two categories; warm-blooded and cold-blooded. Personality associations are often associated with these groups, hence phrases like “cold-blooded killer”. We were also taught that fish, snakes, turtles, and frogs are all examples of cold-blooded animals. However, in some of our most prized game-fish species, the opposite is true.
The basic difference between an animal that is warm-blooded (or endothermic) versus an animal that is cold-blooded (exothermic) is its ability to maintain its core body temperature. What this means is that warm-blooded animals can maintain a constant body temperature despite the [Read more…]