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Phys.org

Politics / Phys.org

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Colorful fish reveal how species stay distinct despite interbreeding

Vividly colored fish dwelling at the bottom of shallow Midwestern streams may help biologists understand the evolutionary mechanisms by which species remain distinct despite their similarities and overlapping ranges. Orangethroat and rainbow darters regularly interbreed where their ranges overlap, yet

13 Nov 2026 10:50 pm