Ammonites. Computer artwork of ammonites in the sea during the Devonian period. This lasted from around 408 to 360 million years ago. Ammonites were marine cephalopod molluscs, related to the similar-looking modern-day nautilus. Air chambers in their spiral shells enabled them to control their buoyancy. It is thought that they could withdraw their body into their shell for protection. These ammonites were generated for use in the Devonian Ocean Simulator, an interactive virtual reality simulation of marine wildlife at this time
© CHRISTIAN DARKIN/SCIENCE PHOTO LIBRARY
Swarthy Parrotfish - about to bite into a coral polyp. The fish does not devour the coral but the algae that lives in and on the static animal
Swarthy Parrotfish - about to bite into a coral polyp. The fish does not devour the coral but the algae that lives in and on the static animal.
Heron Island. Great Barrier Reef. Australia.
Valerie & Ron Taylor
Please note that prints are for personal display purposes only and may not be reproduced in any way
© Ron and Valerie Tayor/ardea.com
Michael S. Nolan / SpecialistStock
Green sea turtle (Chelonia mydas) at cleaning station at Olowalu Reef on the west side of the island of Maui, Hawaii, USA. The range of this species extends throughout tropical and subtropical seas around the world, with two distinct populations in the Atlantic and Pacific Oceans. They are green because of their fat underneath their shell (carapace). As a species recognized as endangered by the IUCN and CITES, Chelonia mydas is protected from exploitation in most countries worldwide. It is illegal to collect, harm or kill individual turtles in the Hawaiian Islands
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