Eel
Eels are fish in the order Anguilliformes. They have elongated bodies and lack pelvic fins and the pectoral fins are usually small or not developed. The dorsal and anal fin are fused with the caudal fin and they swim by undulating the body.
Eels are fish in the order Anguilliformes. They have elongated bodies and lack pelvic fins and the pectoral fins are usually small or not developed. The dorsal and anal fin are fused with the caudal fin and they swim by undulating the body.