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![(Hydra canadensis - 08BBCNI-0001) @14 [ ] CreativeCommons - Attribution (2010) CBG Photography Group Centre for Biodiversity Genomics](http://v3.boldsystems.org/pics/_w300/SAHYD/06bbcni-0001%2B1280517952.jpg "(Hydra canadensis - 08BBCNI-0001) {} [ ] CreativeCommons - Attribution (2010)")
![(Hydra circumcincta - X26) @12 [ ] Copyright P. Schuchert Natural History Museum of Geneva](http://v3.boldsystems.org/pics/_w300/HYDRA/Hydra_circumcincta_20130919-3A%2B1380033852.jpg "(Hydra circumcincta - X26) {} [ ] Copyright")
![(Hydra hymanae - ON13-C4202-0001) @13 [ ] CreativeCommons - Attribution (2013) CBG Photography Group Centre for Biodiversity Genomics](http://v3.boldsystems.org/pics/_w300/RBNII/ON13-C4202-0001%2B1379956850.jpg "(Hydra hymanae - ON13-C4202-0001) {} [ ] CreativeCommons - Attribution (2013)")
![(Hydra oligactis - X24) @13 [ ] Copyright P. Schuchert Natural History Museum of Geneva](http://v3.boldsystems.org/pics/_w300/HYDRA/Hydra_oligactis_20130919-1E%2B1379969176.jpg "(Hydra oligactis - X24) {} [ ] Copyright")
![(Hydra oxycnida - KFMBF1) @11 [ ] CreativeCommons-by-nc-sa (2023) RSMU MBF Pirogov Russian National Research Medical University, Faculty of Biomedicine](http://v3.boldsystems.org/pics/_w300/KFMBF/HI1-photo_2023-07-08_19-07-11%2B1688857632.jpg "(Hydra oxycnida - KFMBF1) {} [ ] CreativeCommons-by-nc-sa (2023)")
![(Hydra sp - BIOUG-KMH155) @13 [ ] CreativeCommons - Attribution (2013) Kathryn Hotke Centre for Biodiversity Genomics](http://v3.boldsystems.org/pics/_w300/KHMS/UoA-Hydra-0001%2B1392050520.jpg "(Hydra sp - BIOUG-KMH155) {} [ ] CreativeCommons - Attribution (2013)")
![(Hydra viridissima - 20070915A) @14 [ ] Unspecified (default): All Rights Reserved Unspecified Unspecified](http://v3.boldsystems.org/pics/_w300/HYD/20070915A-1%2B1204049636.JPG "(Hydra viridissima - 20070915A) {} [ ] Unspecified (default): All Rights Reserved")
![(Hydra vulgaris - X40) @13 [ ] Copyright P. Schuchert Natural History Museum of Geneva](http://v3.boldsystems.org/pics/_w300/HYDRA/Hydra_vulgaris_20130919-1A%2B1379966118.jpg "(Hydra vulgaris - X40) {} [ ] Copyright")
