Sousa chinensis Factsheet No.14:p.1 Animals from the Indian Ocean have a hump on the back below the triangular dorsal fin but those from the Pacific have an indistinct or absent hump. --68.195.44.150

Your reference was put in the article. HenryLi 2007年3月5日 (一) 11:23 (UTC)

返去版面「中華白海豚」。