257 Tripos muelleri 三角角藻 Phylum: Dinoflagellata 门：甲藻門 Class: Dinophyceae 纲：甲藻綱 Order: Gonyaulacales 目：膝溝藻目 Family: Ceratiaceae 科：角藻科 Morphology Cells are robust, solitary and sometimes paired due to binary fission. Cells are roughly triangular. The epicone is similar with hypocone in heights, and has a long, straight, and narrow apical horn with flat end. The two posterior horns are shorter, bending smoothly, pointed at the end, and almost parallel with the apical horn. Chloroplasts are numerous and a nucleus is located in the epicone. 形態 細胞個體較為強壯，獨立生活，也經常由於二分裂而成對存在。細胞近三角形，上 殼和下殼高度相仿。頂角窄,長且直，末端平截。兩個底角較頂角短，平滑彎曲，末 端尖，與頂角大致平行。色素體多，細胞核位於細胞上殼。 Ecology and distribution Tripos muelleri is a cosmopolitan species in coastal and oceanic waters from cold temperate to tropical region. As a bloom forming species, it is frequently observed in Hong Kong coastal waters and caused a bloom in 2012. 生態與分佈 三角角藻是廣布性物種，從寒溫帶到熱帶的近岸和大洋均有分佈。三角角藻是紅潮 原因種，在香港海域十分常見，曾在2012 年引發紅潮。
RkJQdWJsaXNoZXIy NDk5Njg=