At the bottom of the world’s trenches, there’s a fish that shouldn’t exist. Here’s how it earned the title of the ...
Fish are one of the species in the world with the most diversity. These aquatic animals come in different shapes, colors, and skeletal compositions. Some are endemic to freshwater habitats, and others ...
A small fossil reveals that the largest freshwater fish, Otophysans, emerged in the sea, not in rivers, changing the ...