What are the three main types of fish

 The three main types of fish are:

  1. Bony Fish (Osteichthyes): These are the most common type of fish, characterized by a skeleton primarily composed of bone. Examples include salmon, trout, and goldfish.

  2. Cartilaginous Fish (Chondrichthyes): These fish have skeletons made of cartilage instead of bone. Examples include sharks, rays, and skates.

  3. Jawless Fish (Agnatha): These are primitive fish that lack jaws and paired fins. The main examples are hagfish and lampreys.

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