The life history of Dall’s porpoise with special reference to the stock off the Pacific coast of Japan

Kasuya, T.
Scientific Reports of the Whales Research Institute (1978)

The geographical variation of the colour types of the species indicates three local stocks in the northwestern North Pacific and western Bering Sea (WNP/BS), off the Pacific coast of Japan…


Whales, dolphins, and porpoises of the eastern North Pacific and adjacent Arctic waters: A guide to their identification

Leatherwood, S.; Reeves, R. R.; Perrin, W. F.; Evans, W. E.
NOAA Technical Report NMFS Circular 444 (1982)

This field guide is designed to permit observers to identify the cetaceans (whales, dolphins, and porpoises) they see in the waters of the eastern North Pacific, including the Gulf of…


Review of small cetaceans: Distribution, behaviour, migration and threats

Culik, Boris
(2004)

This report summarises the available knowledge on odontocete (toothed whale) distribution, behaviour, migration and threats and was compiled for the Bonn Secretariat of CMS.


Potential rates of increase of a harbour porpoise (Phocoena phocoena) population subjected to incidental mortality in commercial fisheries

Woodley, Thomas H.; Read, Andrew J.
Canadian Journal of Fisheries and Aquatic Sciences (1991)

We estimated the potential intrinsic rate of increase (r) of the harbour porpoise (Phocoena phocoena) population in the Bay of Fundy and Gulf of Maine using empirical data on reproductive…


Reproductive seasonality and maturity of male Neophocaena phocaenoides asiaeorientalis in captivity: A case study based on the hormone evidence

Daoquan, Chen; Yujiang, Hao; Qingzhong, Zhao; Ding, Wang
Marine and Freshwater Behaviour and Physiology (2006)

To provide hormone evidence on reproductive seasonality and maturity of the Yangtze finless porpoise, the authors monitored the monthly variations of serum reproductive hormones of a male Yangtze finless porpoise…