ナショナルジオグラフィックのインスタグラム(natgeo) - 10月30日 15時39分

Photo by Brian Skerry @brianskerry | A large tiger shark with two hooks in its mouth swims over shallow-water sand flats in the northern Bahamas. Tiger sharks are apex predators living in tropical waters, and much of their lives remained a mystery until recently. Researchers are now learning about behaviors and migratory patterns that are beginning to fill in the puzzle of their life cycle. Despite being large predators, life in the ocean is difficult and they face many challenges to survive. As with all species, the tiger shark faces declining populations worldwide as the demand for shark fins continues. Having photographed sharks for more than three decades, it is more commonplace these days to see sharks with hooks. To see more sharks, whales, and other ocean animals, follow @brianskerry. #sharks #tigersharks #bahamas #predators

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