a stout-bodied killifish(Fundulus heteroclitus) of the Atlantic coast south of the Gulf of St. Lawrence,valued especially as bait

• 底鳉，一种产于大西洋沿岸圣·劳伦斯海湾南部胖体花鳉（异背底鳉鳉鱼属），尤用作鱼饵