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Some fish, like the anglerfish, use bioluminescence to attract prey.

Fish have a swim bladder that helps them maintain buoyancy.

The fastest fish is the sailfish, capable of swimming at 68 miles per hour.

Fish can be omnivores, herbivores, or carnivores.

The coelacanth was thought to be extinct until it was rediscovered in 19

Fish can see in color and some have excellent night vision.

Some fish, like the clownfish, have symbiotic relationships with other sea creatures.

Fish have a lateral line system that helps them detect vibrations in the water.

The lungfish can breathe air and survive out of water for years in a dormant state.

Fish communicate through a range of sounds, including grunts, chirps, and pops.

The pufferfish can inflate itself as a defense mechanism.

Electric eels can produce electric shocks of up to 600 volts.

The lionfish has venomous spines that can cause severe pain.

Some fish, like the parrotfish, can change their color to blend in with their surroundings.

Fish scales are made of bone and covered with a layer of mucus.

Fish use their fins for balance, movement, and steering.

Some fish, like the salmon, migrate long distances to spawn.

Fish can be found in both freshwater and saltwater environments.

Fish have been around for more than 500 million years.

The smallest fish is the Paedocypris, measuring just 3 inches long.