Tiny, blunt-headed sharks called pocket sharks are so rare that until just a few years ago, only one individual had ever been collected from the southeastern Pacific Ocean.
超小隻、頭型圓鈍、被稱為「口袋鯊」的鯊魚相當罕見，近幾年也只有在東南太平洋發現一隻。
The only other pocket shark specimen in the world － a female － was caught in 1979 and is part of the collection at the Zoological Museum in St. Petersburg, Russia.
世上僅存的其他口袋鯊標本—一隻在1979年被捉到的母鯊，是俄羅斯聖彼得堡動物博物館的收藏品。
Researchers with the National Oceanic and Atmospheric Administration（NOAA）caught a second pocket shark in 2010 in the Gulf of Mexico. Scientists declared it to be a pocket shark in 2015, and after further analysis it was recently described as a new species.
美國國家海洋暨大氣總署（NOAA）的研究人員，2010年在墨西哥灣捕捉到第二隻口袋鯊。科學家2015年公開這項新發現，在經過進一步分析後，最近宣布此為新種的口袋鯊。
You might think that adorable pocket sharks are so named because they’re small enough to fit comfortably in a pocket. However, the name comes not from their petite size but from a physical feature：a pocket-like orifice found near their pectoral fins.
你可能會以為可愛的「口袋鯊」係因恰巧能放進口袋而得名。然而，這個名號並非源自其嬌小的體型，而是另一項身體特徵：在牠們胸鰭附近發現的口袋形狀孔口。
英倫翻譯社轉自https://features.ltn.com.tw/english/article/paper/1308251
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