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Saltwater fish live in bodies of water with a high salt content, such as oceans and salt lakes. They are popular catch in both recreational sport fishing (marlin), and commercial fishing (halibut and tuna.) Many species are also captured, raised and bred to be kept as pets for more advanced aquarium owners.

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The tiny little puffer fish blows itself up to several times its normal size when threatened. Some species are covered in hundreds of tiny, extremely poisonous spines that stand on end when it expands, making it deadly for any predator to eat or touch.


Click on the individual fish on the individual fish on the left hand columjn to get more cool facts.