A team of marine biologists from the University of Kansas and the Field Museum, Chicago has discovered a remarkable defensive system — ‘lachrymal saber’ — in a group of fish called stonefish. Their work is published in the journal Copeia. Stonefish are packing switchblades in their faces. Image credit: Frank am Main / CC BY-SA 2.0. “I don’t why this hasn’t been discovered before. It’s probably because there are just one or...
