背黒海蛇 (せぐろうみへび) — yellow-bellied sea snake (Pelamis platura); yellowbelly sea snake; pelagic sea snake
背黒海蛇
Yellow-bellied sea snake (Pelamis platura); yellowbelly sea snake; pelagic sea snake
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背黒海蛇 (せぐろうみへび) — yellow-bellied sea snake (Pelamis platura); yellowbelly sea snake; pelagic sea snake