![](http://www.alamy.com/thumbs/6/61829F74-FE77-49A9-970D-A97D3519E8A1/ANYHDD.jpg)
Great Diving Beetle (Dytiscus marginalis) underwater, collecting air bubble at the surface to breath
Size: 5214px × 3397px
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Photo credit: © Roger Eritja / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: adaptation, animal, beetle, branchiae, breathing, brown, bubble, coleoptera, diving, horizontal, hunter, insect, large, marsh, oxygen, pond, predator, single, static, underwater, water