A fish’s fins may be as sensitive to touch as fingertips
Once thought to be mere motors, fins may help fish feel out their environments
![Neogobius melanostomus](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2020/11/110320_CW_goby-fin_feat.jpg?fit=1028%2C579&ssl=1)
Fish fins were long thought to be only for motion, but a new study of round gobies (Neogobius melanostomus, one shown) suggests they can sense differences in texture.
Adam Hardy