Microbehunter Microscopy Magazine Logo Banner Micrographs

Hydra, a fresh-water polyp

Found in: Observations and pictures

Hydra, a fresh-water polyp.

Related Posts Plugin for WordPress, Blogger...
Hydra, polyp

Microscopic image of a fresh-water polyp, Hydra sp. 27 individual images were stacked together to produce one final sharp image.

This image nearly crashed my computer – it is a stack of 27 separate images to increase the depth of field. The computer worked nearly an hour on this picture. Without stacking, some of the tentacles would not be in focus. I think that less pictures would have given a similar result. The picture on the right shows the fresh-water polyp Hydra sp. The specimen is about 5mm in length, the picture shows about half of the organism.

The Hydra belongs to the taxon Cnidaria and is a relative of the sea anemones, corals and jelly fish. Its tentacles are used to catch food. It is sessile, this means that it is attached to a solid surface and does not move. The mouth of the hydra is located towards the left of the image, where the tentacles attach to the body.

Related Posts Plugin for WordPress, Blogger...

This site uses cookies. By continuing to use the site, you agree to the use of cookies. For more information more information

The cookie settings on this website are set to "allow cookies" to give you the best browsing experience possible. If you continue to use this website without changing your cookie settings or you click "Accept" below then you are consenting to this.