100 facts about trout
Grayling and trout occupy subtly different habitat niches and will readily co-exist in the same stretch of river. It’s difficult to be sure whether or not they compete with one another. They may both, for example, eat a common food item (e.g. shrimps) but that does not necessarily mean they are competing with each other!
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Mayfly in the Classroom
A simple and low cost way of bringing river ecology to life in the classroom. Full teacher support resources available. >>
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