Author: Ángela Posada-Swafford,Knowable Magazine

A hammerhead shark less than one meter long swims frantically in a plastic container aboard a boat in the Sanquianga National Natural Park, off Colombia’s Pacific coast. It is a delicate female Sphyrna corona, the world’s smallest hammerhead species, and goes by the local name cornuda amarilla — yellow hammerhead — because of the color of its fins and the edges of its splendid curved head, which is full of sensors to perceive the movement of its prey. Marine biologist Diego Cardeñosa of Florida International University, along with local fishermen, has just captured the shark and implanted it with an…