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crustaceans

Freshwater Shrimp Freshwater Shrimp
Gammarus pulex
Length 11mm

Intolerant of polluted waters or ones with low oxygen content; favours fast-flowing streams and rivers but also found near inflows or outflows in stream-fed lakes. Body is laterally flattened and animal swims on its side. Often found under stones and around the bases of rooted water plants. Widespread and common.
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