No, chondrichthyes are fish that have skeletons made out of cartilage instead of bone.
Chondrichthyes
agnathans are jawless fish where as chondrichthyes are known for their jaws
An organism in the class chondrichthyes has a shiny gloss of nutrition on it.
Chondrichthyes
they breath with lungs
skin
Chondrichthyes
chondrichthyes
Sharks belong to cartilaginous fish. (Chondrichthyes)
Chondrichthyes
Gills novenet