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  1. Giant kelp (Macrocystis pyrifera) grows off the coast of California
  2. Beams of sunlight shine down into a mangrove forest
  3. A thorny seahorse on the seafloor of Lembeh Strait
  4. A large reef manta ray swims through clear water in Raja Ampat
  5. A large lion's mane jellyfish swims in a kelp forest
  6. A traditional fish trap made out of bamboo in the waters off Indonesia
  7. Bright sunlight pierces a shallow World War II shipwreck
  8. A spotted eagle ray swims over the seafloor near Cocos Island, Costa Rica
  9. Snorkelers swim above a blue hole on Palau's barrier reef
  10. Colorful Mandarinfish (Synchiropus Spledidus)
  11. Beautiful Mushroom Coral And Reef Fish Amid The Islands Of Raja Ampat, Indonesia
  12. A Large School Of Slender Silversides Swimming Through A Blue Water Mangrove
  13. A Beautiful And Healthy Coral Reef Grows In Raja Ampat, Indonesia
  14. A peacock mantis shrimp crawls across a reef in Komodo National Park
  15. A Humpback Whale Calf In The Caribbean Sea
  16. Vibrant Soft Corals, Dendronephthya Sp., Thrive In Raja Ampat, Indonesia
  17. A Healthy And Colorful Coral Reef, Raja Ampat, Indonesia
  18. A Broadclub Cuttlefish Hovers Above A Shallow Coral Reef In Raja Ampat, Indonesia
  19. A Beautiful Nudibranch Crawls Over The Seafloor
  20. A Pair Of Chromodoris Annae Nudibranch Crawl On A Large Tunicate
  21. A Pair Of Harlequin Shrimp Lie On The Seafloor Of Lembeh Strait, Indonesia
  22. A Beautiful Feather Duster Worm
  23. Mother And Calf Humpback Whales Swim In The Blue Waters Of The Caribbean Sea
  24. Saddleback Anemonefish Embryos Develop On The Seafloor
  25. A healthy and diverse coral reef grows in Raja Ampat, Indonesia
  26. A Beautiful Coral Reef Grows Near An Island In The Banda Sea, Indonesia
  27. Golden jellyfish swim inside a lake in the Republic of Palau
  28. A Colorful Coral Reef Full Of Gorgonians, Grows Along The Edge Of Turneffe Atoll
  29. Sunlight descends underwater and into a crevice in a reef in the Solomon Islands
  30. A Humpback Whale Breaches Out Of The Blue Waters Of The Caribbean Sea
  31. Half Dome, Yosemite National Park, California
  32. A shipwreck now serves as an artificial reef in Palau's inner lagoon
  33. Soft leather corals grow in the shallow waters in the Solomon Islands
  34. A Colorful Nudibranch Crawls Across The Seafloor Of Lembeh Strait, Indonesia
  35. Colorful reef-building corals grow on a reef inside Palau's lagoon
  36. Colorful Tunicates, Sponges, Hydroids, And Other Invertebrates Grow On A Reef
  37. A Split Level View Of A Coral Reef Along The Edge Of Turneffe Atoll
  38. Colorful starfish cover the bottom of a giant kelp forest
  39. Crown Of Thorns Starfish Feed On Living Corals On A Shallow Reef
  40. A West Indian Starfish Crawls Over A Sandy Seafloor In Turneffe Atoll
  41. Colorful reef fish swim above a coral reef in the Lesser Sunda Islands of Indonesia
  42. Chocolate chip starfish cling to the seafloor in Komodo National Park, Indonesia
  43. Beautiful Coral Reef Thrives Around An Island In A Remote Part Of Raja Ampat, Indonesia
  44. Beautiful Coral Reef Thrives Around An Island In A Remote Part Of Raja Ampat, Indonesia
  45. Detail of the spiral tentacles arrangement of a feather duster worm
  46. Abstract Of The Tentacles On A Bulbed-Anemone In Lembeh Strait, Indonesia
  47. A Loggerhead Sea Turtle Swimming In Turneffe Atoll, Belize
  48. A Colorful Coral Reef Full Of Gorgonians, Grows Along The Edge Of Turneffe Atoll