Scott Leslie / Path through plain, Everglades National Park, Florida

Juergen Freund / Andy Dunstan diving with Chambered nautilus (Nautilus pompilius} Queensland, Australia

Juergen Freund / Andy Dunstan and Dr. Peter Ward observing caught Chambered nautilus {Nautilus pompilius} Queensland, Australia, 2007

Juergen Freund / Marine biologist collects Nautilus in trap from 300m depth, Osprey Reef Coral Sea,

Colin Monteath / Lake Dunstan, Otago, New Zealand