Journal of Mammalogy (2008)
We examined the stomach contents of 87 finless porpoises (Neophocaena phocaenoides) in the Ariake Sound–Tachibana Bay area and Omura Bay in western Kyushu, Japan, between 1987 and 1992. Fish (Gobiidae…
Testicular and ovarian development in the harbour porpoise (Phocoena phocoena)
Karakosta, C. V.; Jepson, P. D.; Ohira, H.; Moore, A.; Bennett, P. M.; Holt, W. V.
Journal of Zoology (1999)
Testicular and ovarian development in neonatal and juvenile harbour porpoises Phocoena phocoena was examined, using tissue from animals (males n= 65 and females n= 10) stranded or caught off the…
Sexual dimorphism and development of external features in Dall’s porpoise Phocoenoides dalli
Jefferson, T. A.
Fishery Bulletin (1990)
Examination of 95 Dall's porpoise specimens incidentally caught in gill nets, and 4 collected as beach strandings, indicate significant sexual dimorphism and developmental variation in several aspects of external morphology…
Factors affecting the recovery of Phocoena sinus, the vaquita or Gulf of California harbor porpoise
Barlow, J.
NMFS Administrative Report No. 86-37 (1986)
The vaquita (Phocoena sinus) is a small porpoise found only in the northern Gulf of California. This species may have been subject to high levels of mortality in the gill-net…
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…
Trends in the maternal investment of harbour porpoises are uncoupled from the dynamics of their primary prey
Read, A. J.
Proceedings of the Royal Society B: Biological Sciences (2001)
Harbour porpoises in the Bay of Fundy and Gulf of Maine feed primarily on Atlantic herring. Herring stocks have undergone dramatic fluctuations in abundance over the past three decades due…
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…
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.
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…
Harbor porpoises of San Francisco Bay
Stern, J.; Keener, W.; Szczepaniak, I.; Webber, M.
Beyond the Golden Gate Research Symposium (2011)
Abstract currently unavailable