What is a fish’s favorite color?

That title sounds like the set up to a punchline, but actually it’s the set up for many experiments on fish that are commonly farmed in tanks. Many studies have found that some fish species grow better or stay healthier in different colors of tanks, but some species show no differences no matter which color […]

A fish’s fins may be as sensitive to touch as fingertips

Fish fins aren’t just for swimming. They’re feelers, too. The fins of round gobies can detect textures with a sensitivity similar to that of the pads on monkeys’ fingers, researchers report November 3 in the Journal of Experimental Biology. Compared with landlubbers, little is known about aquatic animals’ sense of touch. And for fish, “we […]