psammon
aquatic organism
Quick Summary
The term "psammon" refers to the ecological community of tiny plants and animals that inhabit the water within the spaces of sand, typically found near bodies of fresh water. It can also refer to the sandy habitat itself. Organisms living in these sandy areas or within the psammon are described as "psammobiotic". The related term "psammite" describes a rock composed of sandy particles, essentially sandstone.123
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