How big is a(n) Swollen river mussel?
On this page you will find the exact measurements and proportions of Swollen river mussel (Unio tumidus) in direct comparison.
Also known as: Unio tumidus
Size and Dimensions
What are the dimensions of this animal? The average size is approx. 3.54 in. With our tool you can place Swollen river mussel true to scale next to humans, coins or other animals.
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