There's nothing wrong with this upside down anglerfish. That's just how they swim

In 1999, researchers captured the first confirmed footage of a deepsea anglerfish — bobbing around belly-up just above the ocean’s floor. Now, more than two decades later, scientists can say for certain the phenomenon goes beyond "one wonky fish."

There's nothing wrong with this upside down anglerfish. That's just how they swim
A long gray and pink fish swims upside down, its head pointing downward, with a skinny appendage producing from its nose.

In 1999, researchers captured the first confirmed footage of a deepsea anglerfish — bobbing around belly-up just above the ocean’s floor. Now, more than two decades later, scientists can say for certain the phenomenon goes beyond "one wonky fish."