339 Chattonella marina 海洋卡盾藻 Phylum: Heterokontophyta 门：不等鞭毛門 Class: Raphidophyceae 纲：針胞藻綱 Order: Chattonellales 目：卡盾藻目 Family: Chattonellaceae 科：卡盾藻科 Morphology Cells are solitary, slightly asymmetrical, and dorsoventrally compressed, with tear-shaped to lanceolate in lateral view. Cells possess smooth surface covered with numerous mucocysts and two unequal flagella arising anteriorly. Occasionally cells have a slender posterior tail. Chloroplasts are numerous, ellipsoid, golden-brown and distributed peripherally. 形態 細胞獨立生活，輕微不對稱，背腹扁平，側面觀呈淚滴狀或披針狀。細胞表面光滑， 覆蓋許多粘液泡，兩條不等長鞭毛從前端伸出。細胞後端偶爾會有瘦長的突起。色 素體多，橢球形，金褐色，分佈在細胞周圍。 Ecology and distribution Chattonella marina is widely distributed in coastal waters. As a bloom forming species, Chattonella marina can produce neurotoxic, hemolytic and haemagglutinating compounds, resulting in fish kills. This species has caused 3 blooms in Hong Kong coastal waters from 2001 to 2023. 生態與分佈 海洋卡盾藻廣泛分佈在近岸。海洋卡盾藻是紅潮原因種，能夠產生神經性毒素、溶
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