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桃花水母是濒临绝迹、古老而珍稀的腔肠动物,已有6亿年的生存历史,是地球上最低等级生物之一,其直径约2厘米,钟形身体的边缘有数百根短触手。由于它对生存环境有极高的要求,活体又极难制成标本,因此极为珍贵。图为2011年5月在玉溪市中心城区一水池内,桃花水母在水中一张一合、翩翩起舞。
Peach blossom jellyfish is on the verge of extinction, the ancient and rare coelenterate, has 600 million years of existence history, is one of the lowest class of creatures on Earth, about 2 cm in diameter, bell-shaped body edge with hundreds of short tentacles. It is extremely valuable because of its extremely high requirements for the living environment and its extremely difficult to produce specimens. The picture shows in May 2011 in a pool in downtown Yuxi city, peach jellyfish in the water a combination, dancing.