驚~罕見的紫色海螺被沖上聖地牙哥海灘🐌
最近在聖地牙哥的沙灘上,遊客們可能會注意到一些閃閃發亮、彷彿寶石般的紫色小貝殼。
加州大學聖地牙哥分校的史克里普斯海洋研究所科學家(Scientists at the University of California, San Diego’s Scripps Institution of Oceanography )指出,這些是名為 Janthina(洋紫螺) 的罕見海螺品種。牠們以鮮豔的紫羅蘭色貝殼聞名,並能藉由一種天然的「氣泡筏」漂浮在海面上。
這些海螺因其貝殼呈現寶石般的紫色光澤而引人注目,彷彿散落在沙灘上的天然飾品。牠們原本棲息於亞熱帶至熱帶的開放海域,能夠藉由自然產生的「氣泡筏」漂浮在海面上。由於近期海水異常溫暖,洋紫螺被洋流帶向南加州沿岸,才會在像拉荷雅(La Jolla Shores)這樣的地區被發現。

A rare species of pelagic sea snail called Janthina washed up on La Jolla Shores. (Anya Stajner/Scripps Institution of Oceanography)

A rare species of pelagic sea snail called Janthina washed up on La Jolla Shores. (Anya Stajner/Scripps Institution of Oceanography)

A rare species of pelagic sea snail called Janthina washed up on La Jolla Shores. (Anya Stajner/Scripps Institution of Oceanography)

A rare species of pelagic sea snail called Janthina washed up on La Jolla Shores. (Anya Stajner/Scripps Institution of Oceanography)
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