Cowcod and Bocaccio Rockfish

This video shows a large school of cowcod and bocaccio rockfish found at 89 meters. The footage was taken using a remotely operated vehicle (ROV) at Forty-three Fathom Bank in the Cowcod Conservation Area off of San Diego, CA, by scientists at the Southwest Fisheries Science Center. The red dots in the video are produced by two parallel lasers attached to the ROV. The lasers are exactly 10 cm apart, and the scientists use them to help estimate the size of fish underwater.

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