Fish

Fish are popular residents of the hydrosphere. They are aquatic vertebrate which have gills and are generally cold-blooded creatures. There are 31,900 fish species that are currently identified, and some of these have captured the world's imagination through movies, books, art works. Some of these are even deities and religious symbols! If you are looking for inspiration for your next big catch or simply just want to find out more about a pet fish or one that you saw at your local city aquarium, then this is a great place to learn more about these creatures.

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Porcupine Fish

Porcupinefish are part of a family of fish that are called Diodontidae, and are quite often more commonly called the

Alligator Gar

The Alligator Gar is an aggressive, solitary fish found in the southeastern United States. The alligator gar is the largest species of gar and is the largest ex

American Paddlefish

The American Paddlefish is an incredibly old species of fish, found only in the Mississippi River, therefore being also called the Mississippi Paddlefish. Being