白鹭主要取食鲤科、鲻科鱼类和虾类。
The fish of Mugilidae and Cyprinidae and the shrimp were the most food of little egret.
墨西哥湾为美国海鲜餐饮提供了大量的鲶科鱼类。
The Gulf of Mexico supplies much of the grouper served on American tables.
石首鱼科鱼类已成为人工繁殖和育苗的主要对象。
The species of the family Sciaenidae are the major fish in the artificial propagation and breeding.
本文对20种鲤科鱼类的同工酶表型进行了分析比较。
Lactate dehydrogenase (LDH) isozymes of 20 species of Cyprinidae fish were analysed with disc polyacrylamide gel electrophoresis.
鲈形目鮨科鱼类的统称。广布于暖海中,尤其是石斑鱼属和鼻鲈属。
Any of numerous species of fishes (family Serranidae) widely distributed in warm seas, especially members of the genera Epinephelus and Mycteroperca.
最近几年,出血性败血病已成了上海地区池养鲤科鱼类的一种流行病。
Recently a few years, hemorrhagic septicemia has been become one of epidemic disease of the cultivated cyprinid fishes in Shanghai region.
本文应用随机边界产量函数对我国鲤科鱼类池塘养殖的技术效率进行了分析。
The pap er focused on technical efficiency of carp production in China by using the production frontier and technical inefficiency model.
对嘉陵江科鱼类脊柱及附肢骨骼的比较表明,复台椎骨由前6权脊椎骨愈合而成。
The comparison of vertebral column and appendicular skeleton for bagrid catfishes from Jialing River reveals that in the family Bagridae the compound vertebra is formed by the anterior 6 vertebrae.
本文描述了八种鲤科鱼类脑的外部形态和显微结构,并对不同水层鱼的脑进行了比较。
This paper describes the morphology and organization of the brain of eight fresh-water cyprinids by which inhabit in different layers of water.
对中国沿海常见蓝子鱼科鱼类的外部形态、呼吸器官、感觉器官、消化器官、骨骼系统等形态特征进行了比较研究。
The study was focused on the comparison of the morphological characters, including the body shapes, respiratory and sense organs, digestive system and osteological feathers of Chinese siganids.
蛇鳗科鱼类广布于各大洋的热带和亚热带大陆架水域,可依靠尖突的头部和尖秃骨化的尾端在沙土或珊瑚礁后潜穴。
Distributed in continental shelf depths of all tropica and subtropical oceans, Ophichthidae can burrow in sand and mud substrates or coral reefs by pointed rayless tail tips or acute snouts.
非常多的鱼类已被养殖,包括鳕鱼、鲤科鱼、贻贝、鲑鱼和鲟鱼,为世界各地的人们提供了食物。
A huge variety of fish, including cod, bream, mussels, salmon and sturgeon, is being farmed, providing food for people all over the world.
非常多的鱼类已被养殖,包括鳕鱼、小龙虾、鲤科鱼、大比目鱼、贻贝、鲑鱼、黑鲈和鲟鱼,为世界各地的人们提供了食物和工作岗位。
A huge variety of fish, including cod, crayfish, bream, halibut, mussels, salmon, sea bass and sturgeon, are all farmed, providing jobs and food for people all over the world.
鱼类专家霍根2010年在印度北部与一条80磅重、5英尺长的鲿科鲶鱼(学名:Bagariusyarrelli)同游 。
Fish expert Hogan swims with an 80-pound, 5-foot-long bagrid catfish (Bagarius yarrelli) in northern India in 2010.
研究人员对圭亚那裸背电鳗(Gymnotuscarapo)科多种鱼类进行了研究,以期更加彻底地了解这些带电鱼类的身体构造和交流方式。
Researchers studied several different fish under the scientific name Gymnotus carapo to better understand the bodies and communication patterns of electric fish.
在南波弗特和楚科奇,鱼类和野生动物组织在未来五年的目标是防止阿拉斯加的北极熊两个种群进一步减少。
The conservation goal of the Fish and Wildlife Service over the next five years is to prevent further decline of Alaska's two polar bear populations, the southern in Beaufort and in the chukchi.
鲀一种鳞鲀科的主要生于热带的海洋鱼类,同鳞鲀相关且类似,具有扁平的身体和粗糙的刺状鳞。
Any of various chiefly tropical marine fishes of the family Balistidae, related to and resembling the triggerfishes, with a flat body and rough, spiny scales.
鲳科鱼各种类似或相关的鱼类,比如月鱼和锦。
Any of various similar or related fishes, such as the moonfish and gunnel.
利用样点全采集法在湖南乌云界自然保护区共采集到鱼类标本238条,它们隶属于4目11科32种。
Based on total collection method, 238 fishes were sampled at Wuyunjie Nature Preserve of Hunan Province. They belong to 4 orders 11 families 32 species.
水蚤:水蚤科中的一种水蚤属水生跳蚤,其中的一些种类通常用作水族馆鱼类的食物。
Any of various water fleas of the genus Daphnia, some species of which are commonly used as food for aquarium fish.
结合文献记录与调查表明:清水江共有鱼类4目13科57属86种(亚种),其中仅胡子鲇为外来种;
Based on the historical records and this survey, it was concluded that the fish fauna in the Qingshui River comprised 86 species (subspecies), 57 genera, 13 families and 4 orders.
而且研究人员在《胸科》杂志上称,每周食用蔬菜8次以上,食用鱼类3次以上,豆类一次以上,似乎会增强这种预防作用。
And eating vegetables more than eight times a week, fish more than three times a week and legumes more than once a week seems to boost the protection, the researchers said in the journal Thorax.
一种东半球鲃属或须鲃属及有关科属的淡水鱼类。
Any of various Old World freshwater fishes of the genus Barbus or Puntius and related genera.
人工鱼礁的建设使石首鱼科种类和岩礁性鱼类增加明显,鱼礁生境既具有维持固有种类的优势,还可为更多生物提供栖息地。
The deployment of AR leads to an obvious increase in sciaenidae fish and rocky fish, and AR environment can not only maintain the inherent species, but also offer more bio-available habitat.
林恩·马尔科姆:一个典型的菲律宾市场上出售的鱼类和甲壳动物种类十分众多,这表示全世界过半的浅水物种都生活在这片富庶的海域内。
LYNNE MALCOLM: a typical Filipino market where the huge array of fish and crustaceans on sale hinted the richness of the coast that's home to over half of the world's shallow water species.
咬啮鱼类或倒鲶鱼类鲶目(鲶鱼类)双背鳍鲿科的鱼。
Squeakers or upside-down catfishes fishes of the Family Mochokidae, Order Siluriformes (catfish). See Fishbase for more information on this Family.
汉鱼目飞鱼科约40种海洋鱼类的统称。
Any of about 40 species of oceanic fishes (family Exocoetidae).
汉鱼目飞鱼科约40种海洋鱼类的统称。
Any of about 40 species of oceanic fishes (family Exocoetidae).
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