ナショナルジオグラフィックのインスタグラム(natgeo) - 8月28日 06時30分

Photograph by @Thomas Peschak A jellyfish drifts in shallow water with the towering sand dunes of the Namib Desert as a backdrop. In recent years jellyfish populations have increased significantly in the Atlantic Ocean off Namibia's coast. A combination of the overfishing of shoaling fish like sardines and anchovies (probably important predators of juvenile jellyfish) and climate change are believed to be responsible for this ecological regime change. @ナショナルジオグラフィック @thephotosociety @natgeocreative #namibia For more underwater photographs from far flung corners of our world please follow @Thomas Peschak

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