鱼类的一种

The 35-year-old Chicagoan ordered 98 milligrams of Tetrodotoxin, a nerve toxin found in the Japanese puffer fish served as fugu, an expensive sashimi dish.

这位35岁的芝加哥人购买了98克的河豚毒素，这是一种在名叫河豚的日本魨鱼的身上发现的神经毒物。河豚是一种昂贵的用来做生鱼片的鱼类。

Any of various cichlid fishes of the genus Tilapia, native to Africa but introduced elsewhere as a valuable food fish.

罗非鱼几种源于非洲的罗非鱼属口孵鱼类，后被引入其它地方作为一种有价值的食用鱼

When the researchers compared the human ultraconserved element to all the DNA sequences in the public database GenBank, the closest match was to DNA from the coelacanth -- an ancient fish thought to have gone extinct millions of years ago until a live specimen was caught in 1938 off the east coast of South Africa.

该鱼类一度被认为已经绝种，直到1938年在南非的东海岸又重新被发现。腔棘鱼是一种3亿6千万年海洋生物向陆地脊椎动物进化过程中至关重要的鱼类的后裔。虽然人类和腔棘鱼的演化从那时就分道扬镳，然后经过百万年的演化人类和腔棘鱼仍然共享着类似的重要基因片断。

It gets its name from its alligator-like snout and its double row of dagger sharp teeth.

鳄雀鳝---一种古老的鱼类，已经在地球上存在了一亿年----它们在美国东南部的河流、溪流和海湾中自由徜徉。

The strange practice of hermaphroditism is more common among species of fish than within any other group of vertebrates.

有一种奇怪的现象就是鱼类的两性畸形，比起其它种类的脊椎动物，这在鱼类物种中较为常见。

While purple-toed, keen-eyed hunters are just a made up example, a real animal that demonstrates this is the three-spined stickleback fish of western Canada. These fish moved into glacier-carved lakes thirteen thousand years ago. Over time, they evolved into two separate species.

紫色脚趾、厉眼的捕食者只是一个例子，而在加拿大西部海域有一种真实的生物名叫三椎棘鱼论证了这一进化历程。3000年前，这种鱼类迁徙到了布满冰川的河流，随着时间过去，他们演变成两种不同的生物种类。

Tuna live near the upper and middle waters in the ocean, mostly tropical, semitropical and temperate zones in Pacific, Atlantic and Indian Ocean.

金枪鱼是一种生活在海洋中上层水域的鱼类，分布在太平洋、大西洋和印度洋的热带、亚热带和温带，属大洋性高度洄游鱼类。

This undated handout photo provided by the journal Science shows a close-up of the head of a male Gulf toadfish, Opsanus beta.

大西洋狼鱼是一种栖息在海底的大型掠食鱼类，这种鱼类广泛的分布在北大西洋中。

Cipangopaludina chinensis is a normal kind of freshwater gastropod and has high economic values because it can be food for people, which not only tastes well but also is high nutrient, and it can be the bait for some carnivorous fish and some omnivorous fish such as Mylopharyngodon piceus and Cyprinus carpio.

中国圆田螺Cipangopaludina chinensis是我国一种常见的可供食用的淡水螺，滋味鲜美，具有较高营养价值；同时它还是青鱼、鲤鱼等肉食性鱼类和杂食性鱼类的优良天然饵料，因而具有较高的经济价值。

Any of several freshwater food and game fishes of the genus Thymallus of the Northern Hemisphere, having a small mouth and large dorsal fin.

茴鱼北半球的几种茴鱼属的几种供食用钓捕用的淡水鱼类中任何一种，有小嘴和大背鳍

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。