Aquatic Mammals (1990)
This study shows that in Bottlenose dolphins and in Harbour porpoises the presence of marginal papillae is age related. In Bottlenose dolphins the papillae disappear around the age of 16…
Sexual dimorphism and development of external features in Dall’s porpoise (Phocoenoides dalli)
Jefferson, T.A.
Master's Thesis - San Jose State University (1989)
Examination of 95 Dall's porpoise specimens incidentally caught in gillnets, and four collected as beach strandings, indicate that there is significant sexual dimorphism and developmental variation in several aspects of…
Calving seasonality of Dall’s porpoise in the eastern north Pacific
Jefferson, Thomas A.
Marine Mammal Sci (1989)
(...) Four newborn Dall’s porpoises were examined by the author during July of 1987 and 1988. All had muted color patterns, and some evidence of umbilical remnants, fetal folds, and…
A porpoise, Australophocaena dioptrica, previously identified as Phocoena spinipinnis, from Heard Island
Brownell, Robert L.; Heyning, John E.; Perrin, William F.
Marine Mammal Sci (1989)
(...) Guiler, Burton and Gales (1987) reported a cranium (Tasmanian Museum No. A1411) they identified as belonging to Burmeister’s porpoise, Phocoena spinipinnis (Burmeister, 1865) from Heard Island (53°S 73°30’E). They…
New record of the spectacle porpoise
Pagnoni, Gustavo; Saba, Sergio
Marine Mammal Sci (1989)
Abstract currently unavailable
Respiratory arrhythmia in the hearts of harbour porpoises (Phocoena phocoena)
Kastelein, R. A.; Meijler, F. L.
Aquatic Mammals (1989)
The heart rates of 3 Harbour porpoises (recorded for 26 days) showed individual variation. Electrocardiograms of two of these animals, made while they were on land, showed respiratory arrhythmia. The…
Postmortem findings in stranded harbour porpoises (Phocoena phocoena, L. 1758) in The Netherlands from 23rd March 1983 to 25th June 1986
van Nie, C. J.
Aquatic Mammals (1989)
The post-mortem findings in 38 stranded harbour porpoises during the period 23rd March 1983 to 25th June 1986 in The Netherlands results in a general view about the parasitological status…
The olfactory regions in the nose of the harbour porpoise Phocoena phocoena (Linnaeus, 1758)
Behrmann, G.
Aquatic Mammals (1989)
(...) The anatomy of the odontocete brains indicates that they can taste but cannot smell. Apparently, when the blowhole migrated to the top of the head, the neural pathways for…
Distribution and abundance of Dall’s porpoises off Japan
Miyashita, T.; Kasuya, T.
Scientific Reports of the Whales Research Institute (1988)
Results of nine whale sighting cruises in the Japanese coastal waters in 1983 through 1986 and some additional cruises provided following conclusion. Dall's porpoises inhabit waters below 24°C, but the…
Sound production by a neonatal Dall’s porpoise (Phocoenoides dalli)
Bain, David E.
Proceedings of the 16th Annual IMATA Conference (1988)
-San Antonio, Texas- In July of 1987, a Dall's porpoise (Phocoenoides dalli), with her umbilical cord still attached, stranded in Bodega Bay, California. She was transported to Marine World Africa,…