Edited by Mike Jackson, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) WoRMS for SMEBD, some rights reserved (CC BY-NC-SA)
- 2. (c) Ecomare/Salko de Wolf, some rights reserved (CC BY-SA)
- 3. (c) pfaucher, some rights reserved (CC BY-NC), uploaded by pfaucher
- 4. (c) Brian Gratwicke, some rights reserved (CC BY)
- 5. (c) Natural England, some rights reserved (CC BY-NC-ND)
- 6. (c) gailhampshire, some rights reserved (CC BY)
- 7. (c) Anita, some rights reserved (CC BY-NC)
- 8. (c) BJ Stacey, some rights reserved (CC BY-NC)
- 9. (c) Sara Simma, some rights reserved (CC BY-NC), uploaded by Sara Simma
- 10. (c) chris buelow, some rights reserved (CC BY-NC)
- 11. (c) Donna Pomeroy, some rights reserved (CC BY-NC), uploaded by Donna Pomeroy
- 12. (c) GRID Arendal, some rights reserved (CC BY-NC-SA)
- 13. (c) NTNU, Faculty of Natural Sciences, some rights reserved (CC BY)
- 14. (c) Bering Land Bridge National Preserve, some rights reserved (CC BY-SA)
- 15. (c) Gabriel Barathieu, some rights reserved (CC BY-SA)
- 16. (c) monique_chapman, some rights reserved (CC BY-NC), uploaded by monique_chapman
- 17. (c) Anthony B. Zerafa, some rights reserved (CC BY-NC), uploaded by Anthony B. Zerafa
- 18. (c) Mark Dennis, some rights reserved (CC BY-NC), uploaded by Mark Dennis
- 19. (c) Len2040, some rights reserved (CC BY-ND)
- 20. (c) Florida Fish and Wildlife Conservation Commission, some rights reserved (CC BY-NC-ND)