lamprea

Lamprea หรือ Hyperoartia เป็นปลาดูด The hiperoartios ( Hyperoartia ) are a class of agnates or jawless fish , commonly known by the name of lampreys . They are very primitive, externally similar to eels , although not related to them, and gelatinous body, cylindrical, scaleless and very slippery. Despite sharing many characteristics with fish , taxonomically not included is this group but form a separate group. Alongside the hagfish form the group paraphyletic of cyclostomes .