Alex Mustard / Tawny nurse shark (Nebrius ferrugineus) group, individuals circling each other at dusk. Vavuu Atoll, Maldives. Indian Ocean.

Doug Perrine / Tawny nurse shark asleep under coral reef ledge {Nebrius ferrugineus} Burma Banks, Thailand, Andaman Sea (Non-ex).

Rick Price / Tawny nurse shark (Nebrius ferrugineus) at water surface. Talbot Bay, The Kimberley, Western Australia.

Rick Price / Tawny nurse shark (Nebrius ferrugineus) below water surface. Talbot Bay, The Kimberley, Western Australia.

Alex Mustard / Long exposure portrait of a Tawny nurse shark (Nebris ferrungineus), with Pink whipray (Himantura fai) and Bluefin trevally (Caranx melampygus) at dusk. Vavuu Atoll, Maldives. Indian Ocean

Alex Mustard / Tawny nurse shark (Nebris ferrungineus) patrols a coral reef at night. Vavuu Atoll, Maldives. Indian Ocean

Alex Mustard / Tawny nurse shark (Nebrius ferrugineus) at night. Vavuu Atoll, Maldives. Indian Ocean.

Alex Mustard / Tawny nurse shark (Nebrius ferrugineus) at night. Vavuu Atoll, Maldives. Indian Ocean.

Alex Mustard / Tawny nurse shark (Nebrius ferrugineus) group at night. Vavuu Atoll, Maldives. Indian Ocean.

Jordi Chias / Tawny nurse shark (Nebrius ferrugineus) Vaavu Atoll, Maldives, Indian Ocean.

Pascal Kobeh / Tawny nurse shark (Nebrius Ferrugineus) Bijoutier, Seychelles. Indian Ocean.