Indian fishermen keep catching a rare and lucrative fish that is used to make collagen, dissolvable stitches and wine.
In a report section titled "Salmon on Coke," German environmental officials say cocaine exposure could be at the root of frantic jumping behavior.
A new study shows that trout can get addicted to meth that comes from human waste, and it "could overshadow natural rewards like foraging or mating."
The rivers are extra dry this year.
Four undercover activists reveal what it's like witnessing the animals' grim living conditions and their unnecessarily cruel deaths.
Researchers discovered three glowing shark species off the coast of New Zealand, including the largest known bioluminescent vertebrate.
The Indonesian fisherman who found it claims he's being thronged by those wanting to see it and even buy it off him.