Researchers with the Monterey Bay Aquarium Research Institute have captured video of a fish that can see through its own head. It’s known as a barreleye fish and has rarely been seen in the past.

Deep in the ocean's twilight zone, a creature with a remarkable adaptation thrives: the barreleye fish. This unusual fish possesses tubular eyes that can rotate upwards, allowing it to peer ...

This creepy creature, known as the barreleye fish, lives in depths of up to 1km (3280ft) in the northern Pacific Ocean, where the light rarely touches. The two bright green orbs that are visible ...

Barreleyes, often referred to as spook fish, are small deep-sea fish belonging to the family Opisthoproctidae. Scientists ...