Explore the life of the most aggressive bass in the world within a stunning 300-gallon aquarium (96x30x24 inches) featuring ...

Aggression is a complex behavior dependent on numerous factors such as personal experiences, upbringing, social context, personality and genetics. Florian Reichmann and his team at the Med Uni Graz ...

Some pet tropical fish are naturally placid, while others are fearsome predators. From garden ponds filled with Koi Carp to the humble goldfish bowl (although goldfish are far happier living in a ...

Most anemonefishes are striped and the direction of their stripes — vertical or horizontal — correlate with their levels of territorial aggression A new study reveals that anemonefishes display ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. An aggressive frog-eating fish that breathes air has been found in new ...

Synthetic estrogen flushed into waterways is doing something unexpected to male fish, and the consequences ripple far beyond a single generation. New research from a 12-year whole-lake experiment ...

A new study showed that psilocybin – the chemical compound in magic mushrooms that influences behavior and emotions – dissolved in water could make fish less aggressive and lazier. Researchers found ...

Add Yahoo as a preferred source to see more of our stories on Google. A Malaysian lake is under ecological pressure because of the rapid spread of invasive fish species, officials have warned. Timah ...