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Photo Credits
- 1. (c) Minette Layne, some rights reserved (CC BY)
- 2. (c) Fabio Moretzsohn, some rights reserved (CC BY-NC), uploaded by Fabio Moretzsohn
- 3. (c) CarlaCorazza, some rights reserved (CC BY-NC), uploaded by CarlaCorazza
- 4. (c) Jason M Crockwell, some rights reserved (CC BY-NC-ND), uploaded by Jason M Crockwell
- 5. (c) Stefan, some rights reserved (CC BY-NC), uploaded by Stefan
- 6. (c) Robin, some rights reserved (CC BY-SA)
- 7. (c) Ken-ichi Ueda, some rights reserved (CC BY)
- 8. (c) Ettore Balocchi, some rights reserved (CC BY)
- 9. (c) Femorale, some rights reserved (CC BY-NC)
- 10. (c) wsimmons, some rights reserved (CC BY-NC), uploaded by wsimmons
- 11. (c) Rob Curtis, some rights reserved (CC BY-NC-SA), uploaded by Rob Curtis
- 12. (c) Bernard DUPONT, some rights reserved (CC BY-NC-SA)
- 13. (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal
- 14. (c) constance, some rights reserved (CC BY-NC), uploaded by constance
- 15. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
- 16. (c) botanygirl, some rights reserved (CC BY), uploaded by botanygirl
- 17. (c) Susan J. Hewitt, some rights reserved (CC BY-NC), uploaded by Susan J. Hewitt
- 18. (c) cyric, some rights reserved (CC BY-NC-SA), uploaded by cyric
- 19. (c) Ken-ichi Ueda, some rights reserved (CC BY-NC-SA)
- 20. (c) Emőke Dénes, some rights reserved (CC BY-SA)
- 21. (c) Spencer Lott, some rights reserved (CC BY-NC), uploaded by Spencer Lott
- 22. (c) Liam O'Brien, some rights reserved (CC BY-NC), uploaded by Liam O'Brien
- 23. (c) Chris Moody, some rights reserved (CC BY-NC)
- 24. (c) Priyantha Wijesinghe, some rights reserved (CC BY-NC), uploaded by Priyantha Wijesinghe
- 25. (c) Roj, some rights reserved (CC BY-NC-SA)
- 26. (c) James Bailey, some rights reserved (CC BY-NC), uploaded by James Bailey
- 27. (c) Philippe Blais, some rights reserved (CC BY-NC-ND), uploaded by Philippe Blais
- 28. (c) Chuck Sexton, some rights reserved (CC BY-NC), uploaded by Chuck Sexton
- 29. (c) Bernadette, some rights reserved (CC BY-NC), uploaded by Bernadette
- 30. (c) Jon Becker, some rights reserved (CC BY-NC), uploaded by Jon Becker
- 31. (c) Eric Heupel, some rights reserved (CC BY-NC-ND)
- 32. (c) bathyporeia, some rights reserved (CC BY-NC-ND)
- 33. (c) Biopix, some rights reserved (CC BY-NC)
- 34. (c) Stephen Moores, some rights reserved (CC BY-NC), uploaded by Stephen Moores
- 35. (c) Texas.713, some rights reserved (CC BY-NC)
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- 37. (c) Aydin Örstan, some rights reserved (CC BY-NC-ND)
- 38. (c) Katja Schulz, some rights reserved (CC BY), uploaded by Katja Schulz
- 39. (c) Benjamin Schwartz, some rights reserved (CC BY-NC), uploaded by Benjamin Schwartz
- 40. (c) Christophe Quintin, some rights reserved (CC BY-NC)
- 41. (c) David Remsen, some rights reserved (CC BY-NC)
- 42. (c) Jann Vendetti, some rights reserved (CC BY-NC), uploaded by Jann Vendetti
- 43. (c) Deneb Ortigosa, some rights reserved (CC BY-NC), uploaded by Deneb Ortigosa
- 44. (c) WoRMS for SMEBD, some rights reserved (CC BY-NC-SA)
- 45. (c) Victor W Fazio III, some rights reserved (CC BY-NC-ND), uploaded by Victor W Fazio III
- 46. (c) Invertzoo, some rights reserved (CC BY-SA)
- 47. (c) Greg Pauly, some rights reserved (CC BY-NC), uploaded by Greg Pauly
- 48. (c) James St. John, some rights reserved (CC BY)
- 49. (c) Damon Tighe, some rights reserved (CC BY-NC), uploaded by Damon Tighe
- 50. (c) N yotarou, some rights reserved (CC BY-SA)