Photo: Genetically Altered Trout Approved for Release in U.K.

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An angler displays a freshly caught wild brown trout from a U.K. lake in summer 2007.

Conservation scientists have approved a plan to release thousands of genetically engineered trout into waters in England and Wales to stock up for sport fishing. The move is seen as a better option than traditionally farmed trout, because the altered fish are sterile and won't breed with vulnerable wild strains.

Photograph by James Owen

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