Marine Mammal Sci (1998)
(...) It has been hypothesized that Dall's porpoises forage mostly at night or at dawn, because porpoises taken in the morning tended to have a larger amount of food remains…
Observations of parturition and related behaviors of finless porpoise (Neophocaena phocaenoides) in Enoshima Aquarium, Japan
Yang, Jian; Zhang, Xian-Feng; Hori, Yukiko; Fujimoto, Asami
Oceanologia et Limnologia Sinica (1998)
A pregnant finless porpoise (Neophocaena phocaenoides), whose body length (BL) was 1.63 m and body weight (BW) was 75.8 kg, gave birth to a female calf successfully in Enoshima Aquarium,…
Distribution and abundance of and habitat use by harbor porpoise, Phocoena phocoena, off the northern San Juan Islands, Washington
Raum-Suryan, K. L.; Harvey, J. T.
Fishery Bulletin (1998)
Boat surveys along randomly placed line transects were conducted from June to August 1991 and June to October 1992 to determine distribution and abundance of and habitat use by harbor…
Dall’s porpoise reactions to tagging attempts using a remotely-deployed suction-cup tag
Hanson, M. Bradley; Baird, Robin W.
Marine Technology Society Journal (1998)
Remotely-deployable non-invasive (suction-cup attached) tags to record underwater behavior of cetaceans have recently been developed. How useful these tags are for applications on a broad range of species has yet…
Autumn food habits of harbor porpoises, Phocoena phocoena, in the Gulf of Maine
Gannon, D. P.; Craddock, J. E.; Read, A. J.
Fishery Bulletin (1998)
This study describes the stomach contents of 95 harbor porpoises (Phocoena phocoena) killed in groundfish gill nets in the Gulf of Maine between September and December, 1989-94. The importance of…
The behaviour of Hong Kong’s resident cetaceans: The Indo-Pacific humpbacked dolphin and the finless porpoise
Parsons, E. C. M.
Aquatic Mammals (1998)
A series of behavioural surveys were conducted in Hong Kong upon resident populations of Indo-Pacific hump-backed dolphins (Sousa chinensis) and finless porpoises (Neophocaena phocaenoides). The surveys were carried out from…
Diving behavior and performance of harbor porpoises, Phocoena phocoena, in Funka Bay, Hokkaido, Japan
Otani, Seiji; Naito, Yasuhiko; Kawamura, Akito; Kawasaki, Masahiro; Nishiwaki, Shigetoshi; Kato, Akiko
Marine Mammal Sci (1998)
In order to monitor the diving behavior of free-ranging cetaceans, microdataloggers, with pre-programmed release mechanisms, were attached to the dorsal fins of two female harbor porpoises (Phocoena phocoena) in Funka…
Seasonal patterns in the abundance and distribution of California cetaceans, 1991-1992
Forney, Karin A.; Barlow, Jay
Marine Mammal Sci (1998)
This study presents a detailed seasonal comparison of the abundance and distribution of cetaceans within 100-150 nmi (185-278 km) of the California coast during 1991 and 1992. The results of…
Family Phocoenidae Gray, 1825
Rice, D.W.
Marine Mammals of the World: Systematics and Distribution (1998)
(page 121) (...) Miller (1925) and Kellogg (1928) included the true porpoises in the family Delphinidae and did not even grant them subfamily status. However, Slijper (1936) and Fraser and…
Mortality of dolphins and porpoises in coastal fisheries off Peru and southern Ecuador in 1994
Van Waerebeek, Koen; Van Bressem, Marie-Françoise; Félix, Fernando; Alfaro-Shigueto, Joanna; García-Godos, Aquiles; Chávez-Lisambart, Laura; Ontón, Karina; Montes, David; Bello, Ruth
Biological Conservation (1997)
Of 722 cetaceans captured mostly in multi-filament gillnets and landed at Cerro Azul, central Peru, in 87 days during January–August 1994, 82.7% were dusky dolphin Lagenorhynchus obscurus, 12.6% Burmeister's porpoise…