Mutant Fish with Transparent Scales Discovered at Japanese Fishery…Among 300,000 Regular Opaque Fish

The ayu, or sweetfish, is a summer delicacy in Japan. Usually coated in salt and grilled over a charcoal fire, the fish is known for its refreshingly sweet taste and is consumed widely by Japanese people every year.

While a typical specimen is similar to a small trout in appearance, an ayu with translucent scales was discovered at a fishery in Gifu prefecture late last month.

We think the issue here isn’t why this happened, but how on earth were they able to spot the little guy…

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