It's a Chinese paddlefish known as "king of all national freshwater fish".
它是一种中国白鲟，被誉为“全国淡水鱼之王”。
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.
《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。
There are bright prospects for freshwater fish farming.
淡水养鱼大有可为。
The extraction process of nucleoprotein and protamine from freshwater fish spermary was studied.
研究淡水鱼精巢中的核蛋白和鱼精蛋白的提取工艺。
These fish could be categorized into four types, including estuarine fishes, marine fishes, diadromous fishes and of freshwater fishes.
这些鱼类分为4个主要生态类型，包括河口性鱼类、近海鱼类、江海洄游型鱼类和淡水鱼类。
European freshwater fish resembling the roach.
类似于斜齿鳊的欧洲淡水鱼。
Freshwater fish populations are in precipitous decline.
淡水鱼数量急剧下滑。
Monitoring of freshwater fish prices fluctuate slightly.
监测淡水鱼价格微幅波动。
Some freshwater fish such as pike can withstand levels of acidity.
一些诸如梭鱼等淡水鱼可以抵御相当程度的酸性。
Four of the world's 10 biggest freshwater fish migrate up the Mekong to spawn.
世界十大大型淡水鱼中有四种会迁移至湄公河产卵。
Mosquitofish, freshwater fish with a taste for mosquito larvae, are highly social.
食蚊鱼是淡水鱼，以蚊子幼虫为食，高度的群体化。
A small Eurasian freshwater fish(Gobio gobio) related to the carp and used for bait.
鮈鱼一种小型的亚欧淡水鱼（鮈鱼鲤科），与鲤鱼近缘，用作鱼饵。
Which is the example of the freshwater fish in salt water, or the saltwater fish in fresh water.
很典型的例子，淡水鱼放在在盐水中，或者咸水鱼放在淡水中。
European freshwater fish having a flattened body and silvery scales; of little value as food.
有扁平身体和闪光鳞片的欧洲淡水鱼；没什么食用价值。
The ghastly minnow is part of the largest family of freshwater fish-but so far its fangs are unique.
这种面目狰狞的小鱼是数目最庞大的淡水鱼家族的成员，不过其獠牙迄今无其它物种可出其右。
Pond fish culture yielded 2550 tonnes, or 6 per cent, of freshwater fish for local consumption.
年内，塘鱼总产量为2550公吨，占本地淡水鱼消耗量的6%。
A small North American freshwater fish (Stizostidion canadense) having a spotted, spiny dorsal fin.
一种产于北美的小型淡水鱼（鰤鲈） ，长有带斑点的刺状脊鳍。
Objective: The extraction process of nucleoprotein and protamine from freshwater fish spermary was studied.
目的：研究提取淡水鱼精巢中的核蛋白和鱼精蛋白的工艺条件。
The blue catfish is North America's largest catfish species and it is one of the largest freshwater fish in the u.
蓝鲶是北美最大的鲶鱼，同时也是美国最大的淡水鱼之一。
The blue catfish is North America's largest catfish species and it is one of the largest freshwater fish in the U.S..
蓝鲶是北美最大的鲶鱼，同时也是美国最大的淡水鱼之一。
The razor-toothed piranhas of the genera Serrasalmus and Pygocentrus are the most ferocious freshwater fish in the world.
锯脂鲤属的有着锋利牙齿的水虎鱼是和纳氏锯脂鲤是世界上最残忍的淡水鱼类。
The Danube delta hosts over300 species of birds as well as45 freshwater fish species in its numerous lakes and marshes.
多瑙河三角洲不计其数的湖泊和沼泽哺育着300多种鸟类和45种多瑙河及其支流中特有的鱼类。
A freshwater fish(Lota lota) of the Northern Hemisphere, related to and resembling the cod and having barbels on the nose and chin.
江鳕一种淡水鱼（江鳕），生长在北半球，与鳕鱼有亲缘关系并且相像，鼻部和下颚处有鱼须。
They served him on gold plates with gold silverware, and he had huge ponds stocked with not only freshwater fish but saltwater fish.
因为子爵用金盘子及金银器皿来款待他，在他的城堡外面有一个巨大的池塘，里面除了河鱼，甚至还有海鱼。
New Guinea has some of the most beautiful freshwater fish found anywhere, including tiny and vibrantly colored rainbow fish, according to WWF.
在新几内亚岛，许多地方都生活有最漂亮的淡水鱼，包括微小但充满活力的彩虹鱼，据世界野生生物基金会说。
Looking for all the world like the cross between an alligator, a fish and dinosaur, the alligator gar is the largest freshwater fish in America.
寻遍全世界鳄鱼、鱼和恐龙的杂交后代，鳄雀鳝是美国一种最大的淡水鱼。
On the basis of the electrochemistry theory, the method of using electroconductivity to determine freshness in freshwater fish was studied.
基于电化学理论，本文研究了用电导法快速检测淡水鱼新鲜度的方法。
On the basis of the electrochemistry theory, the method of using electroconductivity to determine freshness in freshwater fish was studied.
基于电化学理论，本文研究了用电导法快速检测淡水鱼新鲜度的方法。
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