they breath with lungs
No, chondrichthyes are fish that have skeletons made out of cartilage instead of bone.
Chondrichthyes
The main difference between Agnathans (jawless fish) and Chondrichthyes (cartilaginous fish) is the presence of jaws. Agnathans lack jaws, while Chondrichthyes have well-developed jaws. Additionally, Agnathans have a cartilaginous skeleton, while Chondrichthyes have a skeleton made of cartilage.
An organism in the class chondrichthyes has a shiny gloss of nutrition on it.
Chondrichthyes
Chondrichthyes
skin
chondrichthyes
Sharks belong to cartilaginous fish. (Chondrichthyes)
Chondrichthyes
chondrichthyes
Gills novenet