Glowing shark's 'lightsaber' warning
Thursday, February 21, 2013 - 09:31
in Biology & Nature
A glow-in-the-dark shark scares off predators with the help of "lightsaber-like" spines, a study suggests.
A glow-in-the-dark shark scares off predators with the help of "lightsaber-like" spines, a study suggests.