Scientists studying squaretail grouper have found that the increasing presence of fishermen in the water is changing their behavior from flirty to flighty. A team led by scientists at Lancaster ...

But it also reduces food intake and growth, unless these fish find new friends. New school mates, better outcomes Previous research has shown when tropical fish gather or "shoal" with temperate fish, ...

Pharmaceuticals and household chemicals in rivers and streams may be affecting how fish mate and spawn, scientists warn, even when the substances are not present at levels high enough to cause visible ...