A finger-length fish has reignited a long-running debate about self-awareness, cognition and how much we’ve underestimated ...

Fish introduced to a mirror began to act strangely, swimming upside-down or spreading their fins. They also tried to scrape a mark from their throats. Reading time 5 minutes New research seems to ...

People are eating more and more fish. To meet rising demand, fish are increasingly being cultivated in fish farms. Aquaculture is the fastest-developing branch of the global food industry, with annual ...

It might not seem like a big deal, but the ability to recognize that the face in the mirror is your own makes us part of a pretty exclusive club in the animal kingdom. Humans obviously can do it (from ...

NEW YORK — Scientists report that a fish can pass a standard test of recognizing itself in a mirror — and they raise a question about what that means. Does this decades-old test, designed to show self ...