Rainbow and brown trout do not interbreed in the wild although ‘brownbows’ have been produced on fish farms.For example, large New Zealand trout feed on the periodic plagues of mice. their choice of spawning locations and timing or adaptations to exploit different niches within the food chain. ![]() This happens because they have different life strategies e.g. Genetically different trout are capable of spawning together and producing viable offspring but many populations have remained distinct for thousands of years. ![]()
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