The Icefish: Nature’s Transparent-Blooded Wonder of Antarctica
Imagine a fish with blood so clear you can see right through it. That is exactly what the icefish offers—a living contradiction to everything we know about vertebrates. Discovered accidentally in 1928 by biologist Detlef Rustad, these Antarctic natives have puzzled scientists for nearly a century. With transparent blood, see-through bodies, and a suite of…