Assessment Of The Atlantic Mackerel Stock For The Northwest Atlantic Subareas 3 And 4 In 2018 PDF Download

'Atlantic mackerel (Scomber scombrus L.) are found in the coastal waters of the Northwest Atlantic from North Carolina to Labrador (Figure 1). They overwinter in deeper warmer waters at the edge of the continental shelf and migrate inshore during the spring to spawn and then disperse to feed. There are two spawning contingents in the Northwest Atlantic. The Northern contingent spawns in Canadian waters primarily in the Southern Gulf of St. Lawrence during June and July. An unknown but possibly large proportion of the Northern contingent overwinters in American waters. The Southern contingent spawns in American waters between March and April primarily in the southern Gulf of Maine'--Context, page [1].