Distinguish cartilaginous fish with living jawless fish
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Explanation:
CARTILAGINOUS FISHES JAWLESS FISHES
It is called as chondrichthyes it is called as cyclostomata
5-7 pair of gills 6-14 pairs of gills
Body fusiform body is long eel like
placoid scales are present Scales present
Digestive system with J shaped Digestive system lacks
stomach stomach
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