Brittle stars massing by the hundreds in possible reproduction event at Tagus Cove, Isabela Island, Galapagos Islands, Ecuador, South America
Adult Spinetail Mobula (Mobula japanica) massing in huge schools in the upper Gulf of California (Sea of Cortez), Mexico
Adult Spinetail Mobula (Mobula japanica) massing in huge schools in the upper Gulf of California (Sea of Cortez), Mexico
Blue Sharks (Prionace glauca) massing in deep water around shark diver Bob Cranston. San Clementa Island, California, USA. Pacific Ocean. Model released.