The flying gurnards are a family, Dactylopteridae, of marine fish notable for their greatly enlarged pectoral fins. As they cannot literally fly, an alternative name preferred by some authors is helmet gurnards. by Alcides Dutra
A turtle swims through a make-shift underwater car wash, surrounded by a bright shoal of yellow tangs eager to rid him of algae that had collected on his shell. Photographer Masa Ushioda captured the sight off the coast of Kailua Kona, in Hawaii.