Quote:
Originally Posted by dartmoor navigator
Can somebody please confirm the prefered shrimp habitat. I understand good water quality is essential along with fast running water but do they cope with typical acidity levels found on granite strewn peaty moorland spate rivers.
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I would say that the acidic headwaters on Dartmoor would be devoid of
Gammarus although there may be good numbers further downstream. Gammarids figure highly in the diet of salmon parr. "Fast running water" isn't really a requirement as
G. pulex will thrive in lakes and ponds, estuaries too.