A small tropical fish may possess a sophisticated type of self-awareness only ever seen in humans, scientists have said. Researchers have discovered that the bluestreak cleaner wrasse – which ...

I write about the world of biology. Native to Southeast Asia, a tiny freshwater fish packs a surprising punch with its loud calls. ... [+] Today, ichthyologists have uncovered the secret behind ...

“Federal wildlife officials need to move quickly to prevent these tiny fish from going extinct.” The Center petitioned for protection for the fish last March. In response to today’s finding, the ...

A tiny, transparent fish makes a sound as loud as a pneumatic drill, scientists in Berlin have discovered. They were prompted to investigate after hearing mysterious clicking noises coming from ...