Photo credit: skyseeker / Creative Commons In 1940, a hydroelectric dam was constructed in northern Akita Prefecture, Japan. The project, it was known at the time, would destroy the only native habitat of the black kokanee salmon by making the waters too acidic for the fish to survive. Still, developers went ahead with their plans. A concession was made to protect the species: 100,000 eggs were transported to nearby Lake Saiko. Unfortunately, the transplanted eggs did not hatch and the
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Fish Thought to Be Extinct for 70 Years Rediscovered
