%0 Journal Article %T Developmental Changes in the Morphology of Western North Pacific Bryde¡¯s Whales (<i>Balaenoptera edeni</i>) %A Takeharu Bando %A Gen Nakamura %A Yoshihiro Fujise %A Hidehiro Kato %J Open Journal of Animal Sciences %P 344-355 %@ 2161-7627 %D 2017 %I Scientific Research Publishing %R 10.4236/ojas.2017.73026 %X Developmental changes in the body proportions of western North Pacific Bryde¡¯s whales (Balaenoptera edeni) were investigated by examining the proportion of each body part to the total body length. The head and chest region increased to a certain body length; subsequently, the length of head region stabilized, and that of the chest region decreased. The length of the abdominal region remained constant to a certain body length and subsequently showed a marked increase, and that of the tail region decreased consistently. The length of dorsal fin and flukes decreased consistently, whereas that of the flippers remained constant to a certain body length and subsequently decreased. The relative growth pattern determined by an allometric analysis was positive for the head region but negative for the lower body part, flippers, flukes, and dorsal fin. Both sexes demonstrated the same growth pattern, but the coefficients differed. This is the first study to investigate developmental changes %K Bryde¡¯s Whale %K Body Proportion %K Allometric Growth %U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=77846