In the Class Agnathak, (jawless fish) there are two subclasses: Hagfish and Lanpreys with a total in the subclasses of about two genera and 58 species.
Jawless Fish are eel-shaped, slime producing fish which have a jawless skull but not a vertebral column and characterized by a toothed, funnel-like sucking mouth.
(m3an-chf-jawless.jawless) Jawless Fish, Lamprey
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Class Agnatha (Jawless fish) 58 species.
Hagfish are eel-shaped, slime producing fish which have a jawless skull but not a vertebral column.
Lampreys are jawless fish with a funnel-like, toothed sucking mouth; 18 of which are parasitic and some of these known for boring into the flesh of other fish to suck their blood