ハリセンボンには、体中に鱗が変形した長い棘がたくさんあり、大量の水を飲み込んで体を膨らませると、棘が逆立ちます。 さて、ここでクイズです。 ハリセンボンの棘の数は、全部で何本くらいあるでしょうか？正解は・・・およそ３５０本です。
The longspined porcupine fish’s spines are actually strangely shaped scales. Porcupinefish have the ability to inflate their bodies by swallowing sea water or air, thereby becoming rounder, the sharp spines radiate outwards as well. But, how many spines does a porcupinefish actually have?
The answer is… about 350! Were you close?
