The blue runner caranx crysos also known as the bluestripe jack egyptian scad hardtail jack or hardnose is a common species of moderately large marine fish classified in the jack family carangidaethe blue runner is distributed across the atlantic ocean ranging from brazil to canada in the western atlantic and from angola to great britain including the mediterranean in the east atlantic. Book an all inclusive resort vacation with travelocity for your next vacation to europe and leave the meals entertainment and fun to us. Mantle length ml is the standard size measure for coleoid cephalopods shell diameter being more common for nautiluses and is almost universally reported in the scientific literaturethe mantle is the cephalopods body lying posterior to the head and enclosing the visceral mass and mantle cavity the latter being used for locomotion by jet propulsion.