Types of Fish

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What are the types of fish?
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There are several types of fish, which can be categorized in various ways. Here are some common classifications:
  1. Freshwater Fish: These fish live in rivers, lakes, and streams. Examples include:
    1. Saltwater Fish: These species inhabit oceans and seas. Examples include:
      1. Brackish Water Fish: These fish can be found in ecosystems where saltwater and freshwater mix, such as estuaries. Examples include:
        1. Bony Fish: The largest group of fish, characterized by a bony skeleton, includes species like:
          1. Cartilaginous Fish: These have a skeleton made of cartilage rather than bone. Examples include:
            1. Jawless Fish: These are a primitive group of fish that do not have jaws. Examples include:
              1. Deep-Sea Fish: These species adapt to life in the deep ocean where light is scarce. Examples include:
                1. Pelagic Fish: Fish that live near the surface of the ocean. Examples include:
                  1. Demersal Fish: These fish live close to the bottom of the sea or ocean. Examples include:
                    Each of these categories encompasses numerous species, showcasing the incredible diversity of fish across different aquatic environments.