Fish Classification Kingdom Animalia Phylum Chordata Class Agnatha ( Jawless Fish) Class Chondrichthyes (Cartilaginous Fish) Class Osteichthyes ( Bony.
Fish Classification Domain: Eukarya Kingdom Animalia Phylum Chordata Class Agnatha ( Jawless Fish) Class Chondrichthyes (Cartilaginous Fish) Class Osteichthyes.