硬鳞
- 网络Hard scale;Ganoid scale
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长着大头和硬鳞的大型深色石斑鱼。
Large dark grouper with a thick head and rough scales .
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记甘肃明水侏罗纪两类新的硬鳞鱼
New Jurassic ganoid fishes from northwestern Gansu , China
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鲟鱼和长嘴鱼都是硬鳞鱼。
Fishskin disease Sturgeons and gars are ganoid .
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类似鲨鱼之类的板状硬鳞。
As the hard flattened scales of e.g.sharks .
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美洲沿海热带水域中长有大眼睛和硬鳞的红色鱼。
Red fishes of American coastal tropical waters having very large eyes and rough scales .
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北美洲原始的食肉性鱼,体表有硬鳞,长嘴,牙齿呈针状。
Primitive predaceous North American fish covered with hard scales and having long jaws with needle-like teeth .
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陆龟的背甲高而呈圆盖形;后肢粗大,形如象腿;前肢覆以硬鳞。第一对腿上有大钳子的大型可食用海生甲壳动物。
" Tortoises have a high , domed shell , heavy elephant-like hind legs , and hard-scaled forelegs . " large edible marine crustaceans having large pincers on the first pair of legs .
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箱鲀,又称硬鳞鱼或角鱼,为人熟悉的除了它别具特色的方形身体外,还有它呈六边形生长,覆盖几乎整个身体的鱼骨,帮助它抵御捕食者。
Boxfish , also known as trunkfish or cowfish , are known for their distinctive boxy profiles and for the bonelike , six-sided plates that cover much of their bodies and protect them from predators .