Edited by Adam Smith, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Mark Rosenstein, some rights reserved (CC BY-NC)
- 2. (c) Tony Wood, some rights reserved (CC BY-NC), uploaded by Tony Wood
- 3. (c) Nigel Marsh, some rights reserved (CC BY-NC), uploaded by Nigel Marsh
- 4. (c) Albert Kang, some rights reserved (CC BY-NC), uploaded by Albert Kang
- 5. (c) Robert Taylor, some rights reserved (CC BY), uploaded by Robert Taylor
- 6. (c) Alex Hoschke, some rights reserved (CC BY-NC), uploaded by Alex Hoschke
- 7. (c) H.T.Cheng, some rights reserved (CC BY-NC), uploaded by H.T.Cheng
- 8. (c) François Libert, some rights reserved (CC BY-NC-SA), uploaded by François Libert
- 9. (c) Johan Bas, some rights reserved (CC BY-NC), uploaded by Johan Bas
- 10. (c) John Sear, some rights reserved (CC BY-NC), uploaded by John Sear
- 11. (c) Andrew Taylor, some rights reserved (CC BY-NC), uploaded by Andrew Taylor
- 12. (c) Glen Whisson, some rights reserved (CC BY-NC), uploaded by Glen Whisson
- 13. (c) 傻子, some rights reserved (CC BY-NC), uploaded by 傻子
- 14. (c) Gomen See, some rights reserved (CC BY-NC), uploaded by Gomen See
- 15. (c) Brett Vercoe, some rights reserved (CC BY-NC), uploaded by Brett Vercoe
- 16. (c) Mark Rosenstein, some rights reserved (CC BY-NC), uploaded by Mark Rosenstein
- 17. (c) Erik Schlogl, some rights reserved (CC BY-NC), uploaded by Erik Schlogl
- 18. (c) Rickard Zerpe, some rights reserved (CC BY)
- 19. (c) David R, some rights reserved (CC BY-NC), uploaded by David R
- 20. (c) Marine Explorer (Dr John Turnbull), some rights reserved (CC BY-NC-SA)
- 21. (c) sea-kangaroo, some rights reserved (CC BY-NC-ND), uploaded by sea-kangaroo
- 22. (c) Wayne and Pam Osborn, some rights reserved (CC BY-NC), uploaded by Wayne and Pam Osborn
- 23. (c) rayvran, some rights reserved (CC BY-NC), uploaded by rayvran
- 24. (c) Derek Keats, some rights reserved (CC BY-SA)
- 25. (c) Tom Davis, some rights reserved (CC BY-NC), uploaded by Tom Davis
- 26. (c) Brian Gratwicke, some rights reserved (CC BY)
- 27. (c) Nick Volpe, some rights reserved (CC BY-NC), uploaded by Nick Volpe
- 28. (c) caron_wong, some rights reserved (CC BY-NC)
- 29. (c) lcolmer, some rights reserved (CC BY-NC), uploaded by lcolmer
- 30. (c) zsispeo, some rights reserved (CC BY-SA)
- 31. (c) Klaus Stiefel, some rights reserved (CC BY-NC)
- 32. (c) zsispeo, some rights reserved (CC BY-NC-SA)
- 33. (c) terence zahner, some rights reserved (CC BY-NC), uploaded by terence zahner
- 34. (c) Lesley Clements, some rights reserved (CC BY-NC)
- 35. (c) Nikolai Vladimirov, some rights reserved (CC BY-NC), uploaded by Nikolai Vladimirov
- 36. (c) carmenzuidhoff, some rights reserved (CC BY-NC)
- 37. (c) Sylvain Le Bris, some rights reserved (CC BY-NC), uploaded by Sylvain Le Bris
- 38. (c) 104623964081378888743, some rights reserved (CC BY-NC), uploaded by 104623964081378888743
- 39. (c) Ian Banks, some rights reserved (CC BY-NC), uploaded by Ian Banks
- 40. (c) mattdowse, some rights reserved (CC BY-NC), uploaded by mattdowse
- 41. (c) divercraig, some rights reserved (CC BY-NC)
- 42. (c) csillam, some rights reserved (CC BY-NC-SA), uploaded by csillam
- 43. (c) Albertini maridom, some rights reserved (CC BY-NC), uploaded by Albertini maridom
- 44. (c) Sascha Schulz, some rights reserved (CC BY-NC), uploaded by Sascha Schulz
- 45. (c) justinmckenzie, some rights reserved (CC BY-NC)
- 46. (c) J. Martin Crossley, some rights reserved (CC BY-NC-SA), uploaded by J. Martin Crossley
- 47. (c) tern911, some rights reserved (CC BY-NC), uploaded by tern911
- 48. (c) Ria Tan, some rights reserved (CC BY-NC-SA)
- 49. (c) joseph_dibattista, some rights reserved (CC BY-NC), uploaded by joseph_dibattista
- 50. (c) Bill & Mark Bell, some rights reserved (CC BY-NC-SA)
- 51. (c) Shaunak Modi, some rights reserved (CC BY-NC-ND), uploaded by Shaunak Modi