As kids we were taught that fish, reptile and amphibians are cold-blooded, and birds and mammals are warm-blooded.
Simple, easy classification.
Think again.
Researchers have found the first fish that is fully warm-blooded. A silvery fish the size of a car tire, the opah has a worldwide distribution.
Read the article about how it warms its little fishy body over at Science! Or at the New York Times!
[…] discovery was also featured in several well-known science blogs, including Nothing in Biology Makes Sense, Southern Fried Science, io9 and Not Exactly Rocket […]