Hydra has a tubular body up to 10 mm long when extended secured by a simple adhesive foot. At the free end of the body is a mouth opening surrounded by one to twelve thin, mobile tentacles
Figure 2; A H. oligactis, living polyp from Lake Baikal. B–F morphological variability of holotrichous isorhizas B, F H. baikalensis; C, D, E H. oligactis (B Bolshie Koty C Posolskiy Sor D Chivyrkuiskiy Bay F Sobolev) E Photo adapted from Schuchert (2010). J desmonemes F, G atrichous isorhizas H, K holotrichous isorhizas I stenoteles. Scale bars: 5 mm (A), 10 μm (B–K).
Summary[edit] Description: English: Hand-drawn diagram of the anatomy of the Hydra viridissima. Date: 14 April 2019. Source: Own work. Author: Rjholt24. Camera location34° 00′ 00.03″ N, 81° 01′ 34.15″ WView all coordinates using: OpenStreetMap 34.000008; -81.026153.
Summary[edit] Description: English: Hydra Polski: Stułbia. Date: 2009. Source: Own work. Author: Przemysław Malkowski. http://www.akwarium.net.pl Licensing[edit] : This file is licensed under the Creative CommonsAttribution-Share Alike 3.0 Unported license. :. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original. https://creativecommons.org/licenses/by-sa/3.0 CC BY-SA 3.0 Creative Commons Attribution-Share Alike 3.0 truetrue.