Although carnivorous fish have long been important in aquatic ecosystems, one invasive and aggressive predator has been ...

Despite its peculiar and even intimidating appearance, the mudskipper - an amphibious fish that can walk on land and climb trees - is a rare and highly prized delicacy in Ca Mau. The mudskipper, also ...

But urban sprawl, contaminated water and non-native fish that like to eat young axolotls have led to the salamander’s near-total collapse, according to population surveys. The axolotl is not the ...