红珊瑚是海洋低等无脊椎动物,属于腔肠动物门。人们见到的红珊瑚是它们残留的骨骼,它属于国家一级保护动物。它通常生长在温度高于20℃的赤道及其附近的热带、亚热带地区,水深100~1800米的平静而清澈的岩礁、平台、斜坡和崖面、凹缝中,主要产地是地中海、东海海域。红珊瑚生长慢,寿命长,从幼虫附着 Red coral is a marine lower invertebrate, belonging to the coelenterate. The red corals that people see are their remaining skeletons, and they belong to the national first class protected animals. It usually grows in the tropical and subtropical regions where the temperature is higher than 20°C and in the tropics and subtropics near the equator. It has calm and clear rocks, platforms, slopes, cliffs and depressions with a depth of 100-1800 meters. The main producing areas are the Mediterranean Sea and the East China Sea. . Red coral grows slowly, has a long life, and attaches from larvae