This photo of schooling jack mackerel, shot at Guadalupe Island, Mexico in 2004, graced the cover of Nature, one of the premiere scientific journals in the world, on February 3, 2005 to accompany Effective leadership and decision-making in animal groups on the move (Couzin, Krause, Franks and Levin):
Jack mackerel schooling. Summer.
Image ID: 09634
Species: Pacific jack mackerel, Trachurus symmetricus
Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico