Severe inbreeding, increased mutation load and gene loss-of-function in the critically endangered Devils Hole pupfish.

Abstract excerpt

Small populations with limited range are often threatened by inbreeding and reduced genetic diversity, which can reduce fitness and exacerbate population decline. One of the most extreme natural examples is the Devils Hole pupfish (Cyprinodon diabolis), an iconic and critically endangered species with the smallest known range of any vertebrate. This species has experienced severe declines in population size over...

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