An discussion on Hydra with photomicrographs. For light microscopists seeking to identify hydrozoa and other fresh water micro organisms. ... Hydra. Hydra is included in the phylum Cnidaria, along with sea anemones, jellyfish and coral polyps, and is one of the few freshwater members of this group.
www.micrographia.com/specbiol/cnidari/hydrozo/hydr0100.... www.micrographia.com/specbiol/cnidari/hydrozo/hydr0100.htm
The hydra is one of a few freshwater cnadarians, the bulk of which are marine. The body of a hydra ia a bag whose wall is made up of two layers of cells separated only by a very thin layer of non-cellular material. ... Hydra are small-bodied freshwater polyps with a tube-like body and a mouth surrounded by tentacles.
www.planet-pets.com/plnthydr.htm
Hydra (genus) - Wikipedia, the free encyclopedia
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Hydra is a genus of simple fresh-water animal possessing radial symmetry. Hydras are predatory animals belonging to the phylum Cnidaria and the class Hydrozoa. They can be found in most unpolluted ...
en.wikipedia.org/wiki/Hydra_(genus)
Freshwater hydra can be fairly common. This video shows the movement and hunting of a green hydra. It is green due to a symbiotic relationship with algae.
www.youtube.com/watch?v=disPgqIdC_U
After initial research, I think what they were stung by was a freshwater cousin to the jellyfish. Do you concur? Do populations of these animals inhabit such waters? Could there have been a great population "bloom" that only makes ... You are here: Experts > Science > Biology > Zoology > Freshwater Hydra Stings?;
en.allexperts.com/q/Zoology-1354/Freshwater-Hydra-Sting... en.allexperts.com/q/Zoology-1354/Freshwater-Hydra-Stings.htm
>> It is a freshwater invertebrate called Hydra, it is harmless for larger fish but will eat and kill small fry. You should be able to get rid of them by not feeding your fish for 4-5 days. If you have many of them you may be overfeeding your fish.
www.wetwebmedia.com/FWSubWebIndex/hydrafaqs.htm www.wetwebmedia.com/FWSubWebIndex/hydrafaqs.htm
IEEE Intelligent Systems archive; Volume 18 , Issue 4 (July/August 2003) table of contents; ... Year of Publication: 2003 ... Gary William Flake...
portal.acm.org/citation.cfm?id=939891
The first Molecular Expressions featured microscopist is noted English photomicrographer Spike Walker. This page contains a photomicrograph of a freshwater hydra. ... A male large brown freshwater hydra (Pelmatohydra oligactilis) is captured spreading its tentacles in search of prey. This species has a solid stalk...
www.micro.magnet.fsu.edu/featuredmicroscopist/walker/wa... www.micro.magnet.fsu.edu/featuredmicroscopist/walker/walkerimage21.html
Slide 24 of 61...
www.wsu.edu/~rlee/biol103/lect14/sld024.htm
R. Hyne, G.D. Rippon and G. Ellender , Investigation of uranium––induced toxicity in freshwater Hydra. In: R. Dallinger and P. Rainbow, Editors, ...
linkinghub.elsevier.com/retrieve/pii/S0045653502008603