Juergen Freund / Member of West Papuan dive boat crew free-swimming underwater. North Raja Ampat, West Papua, Indonesia, February 2010

Juergen Freund / Researchers Guido and Katja Westhoff with Little filesnake (Acrochordus granulatus) caught by spotlighting when the snake surfaces to take a breath. Although true sea snakes are venomous, this aquatic...

Sergio Hanquet / People learning to freedive in Atlantic Ocean. Tenerife, Canary Islands. 2015.

Flip Nicklin / Humpback Whale (Megaptera novaeangliae) breath-holding male and female filmed by Jason Sturgis, Maui, Hawaii - notice must accompany publication; photo obtained under NMFS permit 13846

Flip Nicklin / Humpback Whale (Megaptera novaeangliae) breath holding pair, Humpback Whale National Marine Sanctuary, Maui, Hawaii - notice must accompany publication; photo obtained under NMFS permit 0753-1599