Viperfish is a deepwater fish with long, needle-like teeth and hinged lower jaws.

Chimaeras are cartilaginous fish related to the sharks and rays, and are sometimes called ghost sharks or rabbitfishes.

The pelican eel.

Stargazers have eyes on top of their heads.

Typified by large heads with large mouths and eyes, grenadiers (rattails) have slender bodies that taper greatly to a very thin caudal peduncle or tail.

Oarfish are large, greatly elongated, pelagic Lampriform fish.

Dragonfish.

Blobfish are found at depths where the pressure is several dozens of times higher than at sea level, which would likely make gas bladders inefficient.

Lizardfish.