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| 11. | numerous compressed deep-bodied tropical fishes with sandpapery skin and erectile spines in the first dorsal |
| 多种身体扁平细长的热带鱼，皮肤粗糙如砂纸，前部的背鳍可直立如硬刺。 |
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| 12. | large pelagic game fish having an elongated upper jaw and long sail-like dorsal fin. |
| 大型远洋食用鱼，有细长的上颌和帆状的长背鳍。 |
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| 13. | the dorsal fin is the vertical fin on the back of a fish and certain marine mammals. |
| 背鳍就是在鱼或者某些海洋哺乳动物背上的垂直鳍。 |
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| 14. | several marine fishes of the family Trachinidae, having venomous spines on the gill cover and first dorsal |
| 龙鳖龙鳖科的几种海鱼之一，在鳃盖和第一背鳍上的许多毒刺 |
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| 15. | Now he speeded up as he smelled the fresher scent and his blue dorsal fin cut the water. |
| 它闻到了这新鲜的血腥气，此刻正加快了速度，蓝色的脊鳍划破了水面。 |
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| 16. | primitive long-bodies carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters |
| 原始的长身体食肉性淡水鱼，有长背鳍；产于北美洲流动缓慢的水域。 |
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| 17. | The measurements used are fork length, head length, upper jaw length, snout length, length of dorsal |
| 此所用于分析之外部非体节形质计有：尾叉长、头长、上颚长、吻长、眼径、背鳍基底长、臀鳍基底长以及吻端到前鳃盖骨后绿、背鳍起点、腹鳍起点、臀鳍起点等11个形质。 |
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| 18. | any of several large vigorous pelagic fishes resembling sailfishes but with first dorsal fin much reduced |
| 与旗鱼属相象的几种大型健壮的远洋鱼，但第一背鳍大部分退化；遍布但稀有。 |
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| 19. | primitive, bony freshwater fish(Amia calva)of central and eastern North America, with a long, spineless dorsal |
| 弓鳍鱼北美洲中部和东部的一种原始、多骨的淡水鱼（弓鳍鱼弓鳍鱼属），具有长的无脊的背鳍 |
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| 20. | brightly colored tropical Pacific scorpion fishes of the genus Pterois, having venomous spines in the dorsal |
| 蓑一种太平洋赤道地区产蓑属色彩鲜艳的锯鱿鱼，背鳍上有毒刺 |
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