Freshwater vs saltwater aquarium? If you’re thinking of getting an aquarium, this is one of the first decisions you’ll need to make. While both can be rewarding and beautiful, there are some ...

Sharks are becoming a popular feature in home aquariums, but there’s a clear distinction between freshwater and saltwater ...

As seawater creeps further into coastlines, salt threatens to pollute the freshwater reserves that people depend on. But this ...

Natural freshwater pearls occur in mussels for the same reason that saltwater pearls occur in oysters. Foreign material, usually a sharp object or parasite, enters a mussel and cannot be expelled.