Mackerels, Round Scad, Mackerel Scad 127 



Spots on lower 

 sides of body 



Chub mackerel 



No spots on lower B 

 sides of body 



Common mackerel 



Lateral line shields 



start under front 



of second dorsal fin 



Round scad 



Lateral line shields 



start under rear of 



second dorsal fin 



Mackerel scad 



