What are the three vertebrate classes of fish?

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1209188

2026-08-04 11:25

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  • The three vertebrate classes of fish are:

    Agnatha (jawless fish without scales, e.g. lampreys and hagfish)

  • Chondrichthyes (sharks and rays, which have skeletons of cartilage rather than bone)
  • Osteichthyes (all the bony fish e.g. tuna, trout, whiting, etc.)
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