It's a fish, it's a lip, it's an egg sac?

How Did an Aquarium Stingray Get Pregnant without a Mate?

A Deep-Sea Parasite Ekes Out Life in Hydrothermal Vents - The Atlantic

It's a fish, it's a lip, it's an egg sac?

Sublime Creatures, Where beauty and bizarre meet reality.

Longnose Gar Missouri Department of Conservation

Absurd Creature of the Week: This Mussel Does an Incredible Impression of a Fish

How long does it take for a betta fish eggs to hatch? - Quora

Trout hatched from its egg with yolk sac still attached Stock Photo - Alamy

Dark-Tip Snapjaw by Ekko-Gecho on DeviantArt

How Do Fish Mate: The Intricacies of Reproductive Behavior

It's a slimy, prehistoric parasite with the mouth of an alien. And two fearless photographers are obsessed with finding it - Discover Wildlife

Channel catfish: life history and biology

The Starting Point for Baby Animals - NWF