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Animalia >Chordata >Osteichthyes >Gasterosteiformes >Gasterosteidae >Gasterosteus >

The three-spined stickleback reproduces in April and May at Hongan-shimizu, Itoyo-cho, Ohno-city, Fukui Prefecture. Male three-spined sticklebacks develop nuptial coloration during the reproductive season: the area from the snout, to the opercula, and to the abdomen turns into red whereas the sides of the body turn into blue.

(This video picture was prepared by 'Friends of Fukui City Museum of Natural History during a project 'Educational Videos on the Three-spined Stickleback.' http://www.nature.museum.city.fukui.fukui.jp/friends/itoyo/)
(translated by Asoh)

(Data No.momo050714ga01b)

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