摘要
2010年11月2日在贵阳市百花湖中发现桃花水母,经研究发现:生殖腺袋型囊状,浅绿色;触手分3级,主辐触手明显较其他触手长,数量在228~311个之间,平均276(±29)个;伞径21.21~23.32 mm,平均22.48(±0.92)mm。桃花水母主要是纵向运动,身体利用收缩排水反冲向前运动;死亡水母身体皱褶,触手明显缩短,沉于水底。
Craspedacustas were collected from Lake Baihua of Guiyang city on November 2,2010.The results showed that gonads were slightly yellowwash green and pocket-like;the tentacles were divided into three orders and perradial tentacles were longer than others.The number of tentacles was between 228 and 311 and the average was 276±29;the umbrella of Craspedacusta was between 21.21mm to 23.32mm and the average was 22.48±0.92mm.The major mode motion of Craspedacusta was longitudinal movement,which forward by using contraction drainage and recoil;death Craspedacusta,sinking to the bottom,fold the body,and tentacles were obviously reduced.
出处
《广东农业科学》
CAS
CSCD
北大核心
2011年第12期125-127,共3页
Guangdong Agricultural Sciences
基金
贵阳市两湖一库资金项目
关键词
桃花水母
外部形态
运动特征
Craspedacusta
external morphology
movement characterwastics