Aquatic Mammals (2012)
For many toothed whales, two predominant and multifunctional spatial positions occur between a mother/calf pair after birth: (1) the echelon position and (2) the infant position. Other nonpredominant positions also…
Finless porpoise (Neophocaena phocaenoides) discovered at Okinawa Island, Japan, with the source population inferred from mitochondrial DNA
Yoshida, Hideyoshi; Higashi, Naoto; Ono, Hidehiko; Uchida, Senzo
Aquatic Mammals (2010)
Abstract currently unavailable
Growth and reproduction of three populations of finless porpoise, Neophocaena phocaenoides, in Chinese waters
Gao, Anli; Zhou, Kaiya
Aquatic Mammals (1993)
We have 189 specimens available for this work. One-hundred and sixty-seven specimens from the Yangtze, Yellow Sea and South China Sea populations were aged and used in studying the growth…
New advances on population status and protective measures of Lipotes vexillifer and Neophocaena phocaenoides in the Changjiang River
Renjun, L.
Aquatic Mammals (1991)
This paper reports the population status of the endangered Chinese River dolphin - Lipotes vexillifer, the factors causing the population decline of Lipotes and protective measures adopted in recent years,…
Investigations on cetacean sonar VII: Underwater sounds of Neophocaena phocaenoides of the Japanese coastal population
Kamminga, C.; Kataoka, T.; Engelsma, F. J.
Aquatic Mammals (1986)
This paper describes the sonar sounds from four captive Neophocaena, two males and two females, which were tape recorded and processed with regard to their behaviour in the time and…
Reproduction and reproductive organs in Neophocaena asiaeorientalis from the Yangtse River
Chen, P-X.; Renjun, L.; Harrison, J.
Aquatic Mammals (1982)
Two species of freshwater dolphin are known to have existed in the Yangtse River, China, for over two thousand years. One is a white form, the Baiji (Lipotes vexllifer), the…
Construction of ethogram of the captive Yangtze finless porpoises, Neophocaena phocaenoides asiaeorientalis
Xiao, J.; Wang, D.
Acta Hydrobiologica Sinica (2005)
Quantitative study of behavior should be preceded by precise description and definition of behavior. Therefore, an ethogram, which includes the comprehensive descriptions of the characteristic behavior of a species, should…
Neophocaena phocaenoides
Jefferson, T.A.; Hung, S.K.
Mammalian Species (2004)
(...) Neophocaena phocaenoides is the only member of the family Phocoenidae without a dorsal fin (Fig. I ). In its place is a low, geographically-variable dorsal ridge (sometimes inappropriately called…
Yangtze river population of Finless Porpoises (Neophocaena phocaenoides)
Reeves, Randall R.; Jefferson, Thomas A.; Kasuya, Toshio; Smith, Brian D.; Wang, Ding; Wang, Peilie; Wells, Randall S.; Würsig, Bernd; Zhou, Kaiya
Biology and Conservation of Freshwater Cetaceans in Asia (2000)
The population of finless porpoises (Neophocaena phocaenoides) that inhabits China’s Yangtze River is unique. All other known populations of the species are distributed principally in marine waters. This population is…
Homosexual and masturbating behaviors in a group of captive Yangtze finless porpoises (Neophocaena asiaeorientalis asiaeorientalis)
ZHANG, Changqun; ZHENG, Yang; PLATTO, Sara; HAO, Yujiang; WANG, Ding
Acta Theriologica Sinica (2015)
Similar to terrestrial mammals, male-female sexual behavior is significant for the survival and continuation of certain cetacean species. However, non-reproductive mating behaviors, i.e. homosexual behaviors and masturbation, are widespread in…