Bizarre Beasts
The Bizarre Beast with Clear Blood
The crocodile icefish has clear blood, a genetic mutation that should have meant GAME OVER, but it didn't. It just happened in the right place at the right time.
Howard Hughes Medical Institute
Hhmi: Bio Interactive: Bio Interactive: Birth and Death of Genes
Classroom resources paired with a thirteen-minute video highlight how scientists discovered the evolutionary history of an Antarctic icefish by studying its genome.