Adult California sheephead (Semicossyphus pulcher) counts at long-term subtidal sites at San Nicolas Island, California (1981-2018)
The data represent total counts of adult California sheephead from six long-term sites at San Nicolas Island, CA between fall 1981 and spring 2018.  At each site counts were made by divers swimming five 50-m by 5-m mid-water transects and five 50-m by 2-m benthic transects. The data presented here are the sum of the …