- 更多网络例句与无腹鳍的相关的网络例句 [注：此内容来源于网络，仅供参考]
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Anguilla of Europe, that lack pelvic fins and characteristically migrate from fresh water to salt water to spawn.
鳗任一种长的蛇形的无鳞海洋或淡水鱼，尤指产于北美东部的扁平鳗鲡属或欧洲的鳗属，都缺少腹鳍，并且是典型的从淡水中迁居到盐水中产卵
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Anguilla of Europe, that lack pelvic fins and istically migrate from fresh water to salt water to spawn.
鳗：任一种长的蛇形的无鳞海洋或淡水鱼，尤指产于北美东部的扁平鳗鲡属或欧洲的鳗属，都缺少腹鳍，并且是典型的从淡水中迁居到盐水中产卵
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Any of various long,snakelike,scaleless marine or freshwater fishes of the order Anguilliformes or Apodes,especially Anguilla rostrata of eastern North America or A.anguilla of Europe,that lack pelvic fin s and characteristically migrate from fresh water to salt water to spawn.
鳗任一种长的蛇形的无鳞海洋或淡水鱼，尤指产于北美东部的扁平鳗鲡属或欧洲的鳗属，都缺少腹鳍，并且是典型的从淡水中迁居到盐水中产卵
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Voracious snakelike marine or freshwater fishes with smooth slimy usually scaleless skin and having a continuous vertical fin but no ventral fins.
任一种蛇形的淡水鱼，体表光滑无鳞，有连续的垂直背鳍，缺少腹鳍。
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Any of various long,snakelike,scaleless marine or freshwater fishes of the order Anguilliformes or Apodes,especially Anguilla rostrata of eastern North America or A.anguilla of Europe,that lack pelvic fins and characteristically migrate from fresh water to salt water to spawn.
鳗任一种长的蛇形的无鳞海洋或淡水鱼，尤指产于北美东部的扁平鳗鲡属或欧洲的鳗属，都缺少腹鳍，并且是典型的从淡水中迁居到盐水中产卵
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Bottom-dweller of warm western Atlantic coastal waters having a flattened scaleless body that crawls about on fleshy pectoral and pelvic fins.
大西洋西部温暖水域的底栖鱼，身体扁平无鳞，靠胸鳍和腹鳍爬泳。
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Colors below the posterior dorsal rags fin are identical and no black spots on them. The distance from anterior to posterior dorsal fin base (the distance between the two dorsal fins) was relatively short. The base of the two ventral fins united and concaved narrowly.
modestus的主要形态区别为：第1背鳍大而高，第1鳍棘呈丝状延长，各鳍棘尖明显伸出鳍膜；第2背鳍各鳍棘中部以下颜色均一，无黑斑；第1背鳍和第2背鳍基部之间间距较小；左右腹鳍基部愈合处凹陷较浅。
- 更多网络解释与无腹鳍的相关的网络解释 [注：此内容来源于网络，仅供参考]
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agnatha：无頜纲
它们在海洋中行底栖生活,身披厚重的外骨骼,没有上下颔,也没有胸鳍、腹鳍等可活动的偶鳍. 与介皮类亲缘关系最接近的脊椎动物是无颌纲(Agnatha)的盲鳗(Hag fishes)及八目鳗(lampreys),它们的脊椎还是软骨质,是相当原始的脊椎动物.
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Apod：无足动物, 无腹鳍的鱼 无足的, 无腹鳍的
apocyte | 多核细胞 | apod | 无足动物, 无腹鳍的鱼 无足的, 无腹鳍的 | apodactylic | 手指触用不能的
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apodal：无腹鳍的鱼
apocyte 多核细胞 | apodal 无腹鳍的鱼 | apodal 无足动物
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apodous：无足动物的, 无腹鳍的
apodosis | 归结子句 | apodous | 无足动物的, 无腹鳍的 | apoenzyme | 脱辅基酶蛋白
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ELASMOBRANCHII：板鳃亚纲
(一)板鳃亚纲(Elasmobranchii) 体呈梭形或盘形. 鳃孔5~7对,各自开口于体外而无鳃盖;上颌不与颅骨愈合. 雄性仅有位于腹鳍内侧的鳍脚. 共2总目. 1.鲨形总目(Selachomorpha) 体呈梭形,鳃孔侧位,故又称侧孔总目(Pleurotremata). 胸鳍与头侧不愈合;