Between what depth range does the spawning activity for Merlangius merlangus typically occur?
Answer
20 to 150 meters
While adult *Merlangius merlangus* generally inhabit the bentho-pelagic zone between 30 and 100 meters over mud or gravel, their reproductive cycle requires slightly different conditions. Spawning events specifically take place in deeper waters than their normal feeding grounds. The documented range for this reproductive activity is reported to be between 20 meters and 150 meters depth. Conversely, juveniles utilize much shallower environments, often staying above 30 meters for their first year before migrating downward to the deeper adult feeding areas.
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