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