In addition, there are have been some debates on the classification of burbot and pacific cod, especially the subspecies taxonomic of burbot. But it is unwarranted to define any species or subspecies by only one taxonomic method.

• 另外,江鳕和大头鳕的分类地位尚有争议,尤其是江鳕的亚种分类,仅用一种方法不能对江鳕和大头鳕进行确切的分类以及确定两者的亲缘关系。