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In page Amabie:

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The foregoing amahiko[?] (あま彦; ‘? prince’)[citation needed] was also described as a hikari-mono (光り物, glowing object).[33] The glowing is an attribute common to other examples, such as the amabie and amahiko (尼彦/あまひこ; ‘nun prince’) reported in the Nagano Shinbun.[6][28]