Moon jellies, which are found in shallow bays around the world, look like small ... waving colorful tentacles, they lure fish, sting them, and eat them. Scary, squishy, cool, brainless ...

A scary-looking creature with “devil ... And yet life somehow survives, adapted to that strange world. Many of the fish there are partly luminescent to attract prey. They are omnivores ...

The scariest part? As big as great whites are, they aren't the largest. It's tough to definitively rank the biggest fish in ...

From the fearsome piranha and vampire fish to the mighty anaconda, the crocodile, and the candiru, these are among the most terrifying reptiles, insects, spiders, and fish.

It is easy to believe that the black seadevil anglerfish, with its gaping maw of razor-like teeth, a bioluminescent rod ...