弓头鲸(学名:Balaena mysticetus)旧称北极鲸,又称北极露脊鲸、格陵兰露脊鲸、格陵兰鲸、巨极地鲸,是须鲸小目、露脊鲸科下一种生活拉北极海域个大型鲸,成年后体长可达20米,体重超过90吨(雌性比雄性大)。
弓头鲸体形粗壮,体色呈深色,无背鳍,上颚窄,下颚呈弓形。
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