David Fleetham / Green Sea Turtle (Chelonia mydas) below surf instructor Tara Angioletti on a stand-up paddle board off Canoe Bearch, Maui, Hawaii. Model released.

Kevin Schafer / Hawaiian Monk Seal (Monachus schauinslandi) male on beach, Poipu Beach, Kauai, Hawaii

Doug Perrine / Female Hawaiian monk seal (Monachus schauinslandi) defending her pup from two males, which are aggressive with each other, Molokai Island, Hawaii, USA.

Doug Perrine / Female Hawaiian monk seal (Monachus schauinslandi) fighting with a male trying to mate with her, Molokai Island, Hawaii, USA.

Doug Perrine / Hawaiian monk seals (Monachus schauinslandi) aggressive male attacks a five and a half week pup, mother (right) approaches to intervene; Papaloa Beach, Kalaupapa, Molokai, Hawaii, USA

Aflo / ic-09002 Hawaiian monk seal swimming underwater {Mirounga angustirostris} Hawaii

Doug Perrine / Humpback whale {Megaptera novaeangliae} performing a peduncle throw. Pacific (taken under NMFS research permit 882 issued by Hawai Whale Research Foundation)

Doug Perrine / Humpback whale {Megaptera novaeangliae} with penis extended, Pacific (taken under NMFS research permit 882 issued by Hawai Whale Research Foundation)

Doug Perrine / Humpback whale {Megaptera novaeangliae} performing a peduncle throw. Pacific (taken under NMFS research permit 882 issued by Hawai Whale Research Foundation)

Michael Pitts / Hawaiian monk seal {Monachus schauinslandi} Pacific

Flip Nicklin / Hawaiian Monk Seal (Monachus schauinslandi) pair playing, Hawaii

Mitsuaki Iwago / Hawaiian Monk Seal (Monachus schauinslandi) portrait, Hawaii