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  1. Diver enters the cavern system in the Riviera Maya area of Mexico
  2. Upside down jellyfish over sand in Caribbean Sea
  3. Two divers silhouetted in light at entrance to Chac Mool cenote, Mexico
  4. Diver passes through light beams in Chac Mool cenote in Mexico
  5. Diver exploring the Felipe Xicotencatl shipwreck in Cozumel, Mexico
  6. Schooling Crevalle Jacks on Caribbean reef
  7. A yellowline arrow crab in a blue vase sponge in Caribbean waters
  8. Caribbean Reef Squid at night on reef
  9. Flying Gurnard on sand in Carribean Sea
  10. Giant sea anemone on reef in Cozumel, Mexico
  11. Cavern divers enter cenote system in Mexico's Yucatan Peninsula
  12. Two scuba divers in the cenote system on the Yucatan Peninsula of Mexico
  13. An Invasive Indo-Pacific Lionfish off the coast of North Carolina
  14. Upside down jellyfish in Caribbean Sea
  15. Sea Nettle Jellyfish in Atlantic Ocean
  16. Yellowline Arrow Crab on anenome in Caribbean Sea
  17. A cavern diver ascends in the cenote system at Yucatan Peninsula, Mexico
  18. Schooling silversides on Caribbean reef
  19. Close-up of orange cup coral in the Caribbean
  20. Whale shark feeding off the coast of Isla Mujeres, Mexico
  21. Invasive Indo-Pacific lionfish on wreck in North Carolina