Nocturnal powder puff corals, a form of non reef-building hard coral, now thought extinct,
victims of a warming of the waters about the Galàpagos Islands in the El Niño of 1982 Islas Galápagos.
Tagus Cove, Isla Isabela, Islas Galápagos, Ecuador - Depth 40 feet
Islas Galápagos Underwater Gallery