How does a skate differ from a lamprey

Explanation:

Bases on the structure of their mouth and the type of the skeleton, scientists have divided the fish into 3 main categories:

Jawless FishCartilaginous FishBony Fish

Lampreys:

Lampreys belong to the first category i.e. Jawless Fish.Lampryes are mostly parasites and feed on other fish by sucking their blood and tissues using their suction like mouth structures. Their body is not covered with scales and they do not have a pair of fins.

Skates:

Skates belongs to the second category i.e. Cartilaginous Fishes. They have jaws and pair of fine unlike Lampreys (Jawless Fish)Their bodies are covered with scales. These are carnivores.

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