
Hydra oligactis
Hydra oligactis, also known as the brown hydra, is a species of hydra found widely dispersed in the northern temperate zone. It is a common organism found in still waters from early Spring to late Autumn.
Here they are dyed in blue. They come from a colony reared in our lab for research purpose.

"Hydra oligactis", also known as the brown hydra, is a species of hydra found widely dispersed in the northern temperate zone. It is a common organism found in still waters from early Spring to late Autumn.
Similar species: Anthoathecata
By Nil
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Uploaded Jan 11, 2023. Captured in 911 Av. Agropolis, 34090 Montpellier, France.