Agnatha
Videos
Agnatha or jawless fish is a paraphyletic infraphylum of animals in the subphylum Vertebrata of the phylum Chordata, characterized by the lack of jaws. The group consists of both living and extinct cl
Eptatretus hexatrema 15727711
Pacific lamprey facing right
Thyestes verrucosus 22DB
Hagfish
Videos
Hagfish, of the class Myxini and order Myxiniformes, are eel-shaped jawless fish. Hagfish are the only known living animals that have a skull but no vertebral column, however they do have rudimentary
Two views of the hagfish (Myxini glutinosa) with analytical overlays and dissection, published 1905
Pacific hagfish at 150 m depth, California, Cordell Bank National Marine Sanctuary
An Atlantic hagfish (Myxine glutinosa) using its slime to get away from a kitefin shark (Dalatias licha) and an Atlantic wreckfish (Polyprion americanus)
Pacific hagfish trying to hide under a rock