Researchers classify the coelacanth under the group Sarcopterygii, which include the earliest ancestors of amphibians, reptiles, and mammals.

The world has seven continents, but do you know the largest freshwater fish in each? These creatures show the incredible diversity of Earth's inland waters. Let's get amazed as we look at these ...

The oarfish is a rarely seen deep-sea fish known for its elongated, ribbon-like body, shimmering silver scales, and striking features, including a long red dorsal fin and distinctive oar-shaped ...