mackerel

Scientific Name: Scomber japonicus
Range: Alaska to Mexico
Habitat: Open ocean
Diet: Plankton, squid and small fish
Size: Up to 2.1 ft (63.5 in) 
Fun Fact: The stripes on the back of this mackerel help to camouflage it from predatory birds trying to eat it from above–the coloration blends in with the waves and light of the ocean below. 
IUCN Conservation Status: Least concern