Undulatory topographical waves for flow-induced foulant sweeping

The stingray, which spends much of their time partially buried on the ocean floor, uses its paired pectoral fins to stabilize their movement through the water and sweep away sandy foreign particles from its surface. A research ...

Poor water conditions drive invasive snakeheads onto land

The largest fish to walk on land, the voracious northern snakehead, will flee water that is too acidic, salty or high in carbon dioxide—important information for future management of this invasive species.

As fins evolve to help fish swim, so does the nervous system

The sensory system in fish fins evolves in parallel to fin shape and mechanics, and is specifically tuned to work with the fish's swimming behavior, according to new research from the University of Chicago. The researchers ...

Fish fins can sense touch

The human fingertip is a finely tuned sensory machine, and even slight touches convey a great deal of information about our physical environment. It turns out, some fish use their pectoral fins in pretty much the same way. ...

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