Fish can exhibit seasonal migrations to find food or suitable breeding grounds.

The moray eel has a second set of jaws in its throat to help swallow prey.

Fish can have various types of tails, including forked, rounded, and lunate.

The lungfish can survive periods of drought by estivating in mud cocoons.

Fish can be affected by environmental changes, including pollution and habitat destruction.

The blobfish has a gelatinous body adapted to deep-sea pressure.

Fish can have different reproductive strategies, including external and internal fertilization.

The sturgeon is an ancient fish known for its caviar, which are its eggs.

Fish can exhibit diel vertical migration, moving up and down the water column based on the time of day.

The paddlefish has a long, paddle-like snout used for detecting prey.