Budding Hydra


Hydra develops from an outgrowth or bud due to cell division at one particular site.

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Hydra can be found attached to water-plants, stones etc., with its cylindrical body hanging downwards, with the tentacles gently moving. When disturbed it will rapidly contract into a blob of jelly, making it difficult to find. Hydrae feed on small animals, such as water-fleas. These are caught by structures called nematocysts. There are different types of nematocysts, some stinging and paralysing the prey, whilst others discharge threads which coil round the prey and hold it.
Available during the fall months and usually the rest of the year. A great example of asexual reproduction. Please allow 10 days.

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