Edited by Noeliria Noe, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Fausto Tinti, University of Bologna - Italy, some rights reserved (CC BY-NC-SA)
- 2. (c) tamsynmann, some rights reserved (CC BY-NC), uploaded by tamsynmann
- 3. (c) Raja_undulata.jpg, some rights reserved (CC BY-SA)
- 4. (c) Ross Bullimore, some rights reserved (CC BY-NC-ND)
