Sea Lamprey Jawless Fish Hagfish
Fish have gills for obtaining oxygen a lateral line for sensing pressure changes in the water.
Sea lamprey jawless fish hagfish. Lampreys sometimes also called inaccurately lamprey eels are an ancient extant lineage of jawless fish of the order petromyzontiformes placed in the superclass. Agnatha greek a gnaoos no jaws is a superclass of jawless fish in the phylum chordata subphylum vertebrata consisting of both present cyclostomes and. Lamprey is the common name for elongated eel like jawless fish comprising the family petromyzontidae characterized by a primitive vertebrae made of cartilage. Vertebrates are generally classified into two groups the agnatha jawless vertebrates and the gnathostomata jawed vertebrates.
The later group includes fish with. Fish anatomy skeletal system. Their skeleton can be made of either bone bony fishes or cartilage cartilaginous fishes. Bony fin rays.
Any of numerous cold blooded vertebrate animals that live in water.