A few are pelagic and live in open waters near the surface. The mystery mollusk is the first nudibranch known to live in the deep water column. This species lives in the ocean's midnight zone ...

This pushed ocean temperatures as high as 28.3°C on ... the study found. The pelagic zone refers to the open, free waters away from the shore “Rising temperatures drove some shark species ...

Limnology and Oceanography, Vol. 54, No. 4 (Jul., 2009), pp. 1306-1322 (17 pages) We studied three-dimensional distribution patterns of temperature, phyto- and zooplankton, and fish in the large, ...