(CNN) -- Oh, this guy? Don't mind him, he's just a normal fish, blending in with his normal fish friends. He's definitely not a robotic yellowfin tuna designed to mimic unique swimming movements. The ...

TAMPA, Fla. (WSVN) — A Florida woman is on a mission to make sense of a mysterious drumming sound that erupted from the water near her home, but experts believe it could be a mating call for fish. “It ...

Scientists use underwater microphones to track red hind grouper spawning behavior and fish population changes over time.

Ashlee Lillis’ interview subjects don’t talk. But they have plenty to say through grunts, growls, clicks and other odd noises. “I put my hydrophone — which is our underwater microphone — on the end of ...

Today, both submarine and surface ships use sonar for navigation. But sonar and other vision systems face various limitations. So why not imitating fish? For millions of years, fish have relied on "a ...

Fish Eye Marine Park reopened its iconic underwater observatory after a successful replacement of six of its 24 viewing windows, giving guests much clearer views of the coral reefs and tropical fishes ...

Twenty-three-foot long Saildrone solar-powered sailboards are out on Lake Superior now recording data on populations of small fish like whitefish, herring and smelt. It's part of a three-year project ...