Edited by Andy Smith, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Erik Jørgensen, some rights reserved (CC BY-NC-SA)
- 2. (c) Grahame, some rights reserved (CC BY-NC-ND), uploaded by Grahame
- 3. (c) Paul Cools, some rights reserved (CC BY-NC), uploaded by Paul Cools
- 4. (c) Stuart Shearer, some rights reserved (CC BY-NC), uploaded by Stuart Shearer
- 5. (c) anonymous, some rights reserved (CC BY-SA)
- 6. (c) ian wetton, some rights reserved (CC BY-NC-ND)
- 7. (c) moments in nature by Antje Schultner, some rights reserved (CC BY-SA)
- 8. (c) Luciano Giussani, some rights reserved (CC BY-NC-SA)
- 9. (c) Mauro Fontanari, some rights reserved (CC BY-NC), uploaded by Mauro Fontanari
- 10. (c) Stefan Jansson, some rights reserved (CC BY-NC-SA)
- 11. (c) Ashley M Bradford, some rights reserved (CC BY-NC), uploaded by Ashley M Bradford
- 12. (c) Ina Siebert, some rights reserved (CC BY-NC), uploaded by Ina Siebert
- 13. (c) Lip Kee Yap, some rights reserved (CC BY-SA)
- 14. (c) Blake Matheson, some rights reserved (CC BY-NC)
- 15. (c) Shelley & Dave, some rights reserved (CC BY-NC)
- 16. (c) Jörg Hempel, some rights reserved (CC BY-SA)
- 17. (c) David Burton, some rights reserved (CC BY-NC-SA)
- 18. (c) Agustín Povedano, some rights reserved (CC BY)
- 19. (c) Leo-Avalon, some rights reserved (CC BY-NC-ND)
- 20. (c) Emőke Dénes, some rights reserved (CC BY-SA)
- 21. (c) Korall, some rights reserved (CC BY-SA)
- 22. (c) bathyporeia, some rights reserved (CC BY-NC-SA)