Joel Sartoreのインスタグラム(joelsartore) - 1月27日 20時27分

Is that a shark with a really long nose? Nope, it’s an American paddlefish! This ancient creature dates back to the dinosaurs, and lives in the rivers of the US, but it’s that huge rostrum where all the action is for this otherworldly creature - it’s actually an elaborate sensor, used by the fish both for navigation and to detect the faint electrical signals of the plankton the fish loves to eat. Once zooplankton are found, the paddlefish uses that shark-like tail to swim forward, mouth open, and strain enough of the tiny creatures to make a meal. And it can do all this in muddy water...at night. Amazing! Photo taken @medicine_park_aquarium. #fish #spoonbill #paddlefish #archaic #freshwater #PhotoArk #savetogether

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