Cousins of the Aquatic Ape:

Blue Whale (Balaenoptera musculus) with research boat. Aerial view. Sea of Cortez (Gulf of California), Baja California, Mexico (Pacific coast). Endangered species. Research boat 22 feet long

(L-R) Divers Henning May and Alexander Dressel dive dressed up as “Santa Claus” and “Angel” in the schooling fish basin at Ozeaneum in Stralsund, Germany, 24 November 2014. They clean the 30 centimeter thick panorama acrylic glass of the basin. The schooling fish basin is the biggest in the ocean museum Ozeaneum. (Photo by Stefan Sauer/EPA)