Clams Fish Snails and Crustaceans - Fish, Clams, Snails, And Crustaceans
Fish, clams, snails, and crustaceans are aquatic creatures. Fish are vertebrates, meaning they have an internal skeleton made of bone or cartilage. Clams, snails, and crustaceans are invertebrates.
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Clams Fish Snails and Crustaceans - Fish
Fish are cold-blooded vertebrates with fins. They occur in nearly all permanent water environments, from deep oceans to remote alpine lakes and desert springs. Marine fish inhabit the salty waters of oceans and seas. Freshwater fish inhabit inland rivers, lakes, and ponds. Anadromous fish are born in freshwater, migrate to the ocean to spend their adulthood, and then return to freshwater to spawn.…
Clams Fish Snails and Crustaceans - Clams, Snails, And Crustaceans
Clams, snails, and crustaceans are invertebrates. Clams and snails are in the phylum Mollusca. Mollusks have soft bodies usually enclosed in a thin hard shell made of calcium. The U.S. Fish and Wildlife Service uses the generic term "clam" to refer to clams and mussels, but there are physical and reproductive differences between the two creatures. In general, mussels are larger than …
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