The work, published Tuesday in Royal Society Open Science, gives rare insight into the minds of fish. Previous research has ...

Emperor cichlids, large fish native to Lake Tanganyika in Africa, don't like being stared at, especially if someone's gaze is directed at their offspring. Those are the findings of a new study ...

Cleaner wrasse have revealed a remarkable new side of fish intelligence. Marked with fake parasites, they used mirrors to inspect and remove the spots—far faster than seen in earlier tests. Even more ...

For decades, scientists used a mirror experiment to explore whether animals could recognize themselves. In that test, ...

TRAVERSE CITY, MI — An unusual structure is taking shape in the middle of downtown Traverse City. Crews are pouring the massive sorting channel that will form the core of the FishPass project, a ...

For years, scientific divers at a research station in the Mediterranean Sea had a problem: at some point in every field ...

Octopuses in the Red Sea often hunt together with other predatory fish—and sometimes hit them. New videos suggest they're keeping fish in line. Day octopuses in the Red Sea team up with up fish to ...

For years, scientific divers at a research station in the Mediterranean Sea had a problem: at some point in every field season, local fish would follow them and steal food intended as experimental ...