魚類學相關名詞中英對照
名詞 定義 
annulus In ichthyology, a ring or rings on a fish scale or in a bony or cartilaginous structure corresponding to a year of growth. In a scale usually constists of closely arranged ridges (circuli). An accessory annulus is a ring caused by retarded or temporarily terminated growth that does not represent an annual cycle. In the tropics annuli may indicate spawning rather than growth.  
在許多溫帶的魚種中,其硬骨,鱗片與耳石的剖面具有的環狀構造。  
※中文內容系使用機器由英文內容翻譯。