魚類學相關名詞中英對照
名詞 定義 
senescent period Old age, a time when fish growth is extremely slow, arrested or negative and gametes are inferior or not produced. This period can last several years, e.g. in Acipenseridae, or several days, e.g. Oncorhynchus.  
衰退時期 老年期,當魚成長的非常慢,拘捕的時候或許是消極的,而配子是次級的或已不生產了。這時期能持續好幾年,例如鱘科;或幾天,例如鳟屬。 
※中文內容系使用機器由英文內容翻譯。