广义的说,系指能生活在盐度为千分之三的淡水中的鱼类就可称为淡水鱼。狭义的说,系指在其生活史中部分阶段如只有「幼鱼期」或「成鱼期」,或是终其一生都必须在淡水域中渡过的鱼类。世界上已知鱼类约有26000多种,淡水鱼约有8600余种。我国现有鱼类近3千种,其中淡水鱼有1000余种。 世界上已知鱼类约有26000多种,是脊椎动物中种类最多的一大类,约占脊椎动物总数的48.1%。它们绝大多数生活在海洋里,淡水鱼约有8600余种。我国现有鱼类近3千种,其中淡水鱼有1000余种。
... CARP-鲤鱼,不用说了吧,什么葱烤鲤鱼、红烧鲤鱼你都知道啊 catfish鲶鱼,淡水鱼,肉质滑嫩但土腥味较重,可红烧 CATFISH-鲶鱼,新鲜鲶鱼做酸菜鱼很好吃. ...
基于24个网页-相关网页
The primary contaminating elements in tissues of freshwater fish and seawater fish were Pb and As respectively.
淡水鱼肉类主要污染源为铅元素,海水鱼肉类主要污染源为砷元素。
参考来源 - ICPHowever, till now,very little information regard trypsins from fresh water fish has been reported.
但是,目前国内外关于淡水鱼胰蛋白酶的报道很少。
参考来源 - 鳜鱼胰蛋白酶分离纯化、性质鉴定及分子克隆The structure of intestinal flora in freshwater fish is related to the kinds of food. The total number of anaerobic bacteria and bifidobacteria in gut of freshwater fish is increasing gradually with the changes from herbivorous fish to carnivorous fish.4.
3.淡水鱼体内肠菌组成与不同的食物来源有关,鱼类肠壁中的厌氧菌总数和双歧杆菌的数目随着其从草食性向肉食性的发展而逐渐增加。
参考来源 - PCRFresh water fish is a kind of ideal food for people because it is rich in nutrients and good for health.
淡水鱼是一种营养十分丰富、对人体健康具有重要意义的理想食物。
参考来源 - 茶多酚对草鱼肉保鲜作用及机理研究·2,447,543篇论文数据,部分数据来源于NoteExpress
研究淡水鱼精巢中的核蛋白和鱼精蛋白的提取工艺。
The extraction process of nucleoprotein and protamine from freshwater fish spermary was studied.
它是一种中国白鲟,被誉为“全国淡水鱼之王”。
It's a Chinese paddlefish known as "king of all national freshwater fish".
《整体环境科学》的一篇论文显示,中国最大的淡水鱼可能已经在2005年至2010年间灭绝了。2019年9月,该论文的作者危起伟表示,一些专家认为这种一级保护鱼类已经灭绝。
A paper from Science of the Total Environment shows that the largest freshwater fish in China might have gone extinct between 2005 and 2010. Wei Qiwei, author of the paper, said in September, 2019, some experts supposed that the first-class protected fish had been extinct already.
应用推荐