How big is a(n) Common hydra?
On this page you will find the exact measurements and proportions of Common hydra (Hydra vulgaris) in direct comparison.
Also known as: Swiftwater hydra, White hydra, Hydra vulgaris
Size and Dimensions
What are the dimensions of this animal? The average size is approx. 0.59 in. With our tool you can place Common hydra true to scale next to humans, coins or other animals.
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