Ophelia (1994)
The reproduction and reproductive seasonality of 365 Danish harbour porpoises (Phocoena phocoena (L.)) incidentally caught in various gill nets or stranded, was studied. The animals were collected from all Danish…
Morphometric comparison of the epidermis in several cetacean species
Jones, F. M.; Pfeiffer, C. J.
Aquatic Mammals (1994)
Epidermal thickness and relative papillary height of the skin from the urogenital region were compared with values from the ventral aspect of the flipper and the mid-dorsal body wall. Data…
Swimming kinematics of a harbor porpoise (Phocoena phocoena) and an Atlantic white-sided dolphin (Lagenorhynchus acutus)
Curren, Kristina; Lien, John
Marine Mammal Sci (1994)
(...) Little data exists on the swimming movements of dolphins and whales. The earliest record of cetacean swimming kinematics came from Parry (1949), who observed the swimming motions of a…
A review of studies on attempts to reduce the entanglement of the Dall’s Porpoise, Phocoenoides dalli, in the Japanese salmon gillnet fishery
Hatakeyama, Y.; Ishii, K.; Akamatsu, T.; Soeda, H.; Shimamura, T.; Kojima, T.
Report of the International Whaling Commission (1994)
Dall's porpoises, Phocoenoides dalli, were often incidentally caught in the Japanese salmon gillnet fishery in the North Pacific. In order to investigate the reasons for entanglement, their auditory characteristics and…
Life in the fast lane: The life history of harbor porpoises from the gulf of Maine
Read, Andrew J.; Hohn, Aleta A.
Marine Mammal Sci (1995)
We describe the life history of harbor porpoises in the Gulf of Maine by examining 239 animals killed in gill net fisheries and comparing these findings with the results of…
Retinal ganglion cell size and distribution predict visual capabilities of Dall’s porpoise
Murayama, Tsukasa; Somiya, Hiroaki; Aoki, Ichiro; Ishii, Takeo
Marine Mammal Sci (1995)
The structure of the retina, the distribution of ganglion cells, and the extent of the tapetum lucidum were studied in Dall's porpoise (Phocoenoides dalli) with the aim of understanding the…
Blood chemistry of wild harbor porpoises Phocoena phocoena (L.)
Koopman, H. N.; Westgate, A. J.; Read, A. J.; Gaskin, D. E.
Marine Mammal Sci (1995)
Blood chemistry values were measured from 31 harbor porpoises (Phocoena phocoena) released from herring weirs in the Bay of Fundy, Canada. Sodium, phosphorus, calcium, chloride, magnesium, total protein, albumin, globulin,…
A review of factors involved in zonation in Odontocete teeth, and an investigation of the likely impact of environmental factors and major life events on harbour porpoise tooth structure
Lockyer, C.
Report of the International Whaling Commission (1995)
Variation in zonation and Growth Layer Group (GLG) formation and underlying causes are reviewed. Five different types of anomaly were investigated in the teeth of harbour porpoise (Phocoena phocoena): pulp…
Notes on the biology of the Burmeister’s porpoise, Phocoena spinipinnis, off southern South America
Goodall, R. Natalie P.; Norris, Kenneth S.; Harris, Guillermo; Oporto, Jorge A.; Castello, Hugo P.
Report of the International Whaling Commission (1995)
Published and new fresh and museum specimens of Burmeister's porpoise, Phocoena spinipinnis, collected prior to the recent research in Peru, Chile and Argentina, are listed and described. Distribution is from…
The relationship between heart mass and body mass for three cetacean genera: Narrow allometry demonstrates interspecific differences
Ridgway, Sam H.; Kohin, Suzanne
Marine Mammal Sci (1995)
(...) Brody (1945) fitted an allometric equation to heart mass (kg) as a function of body mass (kg) for adult mammals ranging in body size from 0.01 to over 100,000…