Aquatic Mammals (1994)
The refractive index of the cornea of a harbor porpoise eye was measured by two-wavelengths laser-interferometry. In the thickest part of the cornea a refractive index of about 1.53 was…
Development, sexual dimorphism, and individual variation in the skeleton of the finless porpoise, Neophocaena phocaenoides, in the coastal waters of western Kyushu, Japan
Yoshida, Hideyoshi; Shirakihara, Miki; Takemura, Akira; Shirakihara, Kunio
Marine Mammal Sci (1994)
Development, sexual dimorphism, and individual variation were examined in the skeleton of the finless porpoise in the coastal waters of western Kyushu, Japan. Skulls ceased growing by 4 yr. Postcranial…
Harbor porpoise interactions with a chinook salmon set-net fishery in Washington State
Gearin, P. J.; Melin, S. R.; DeLong, R. L.; Kajimura, H.; Johnson, M. A.
Report of the International Whaling Commission (1994)
A cooperative study based on an agreement between the National Marine Fisheries Service and the Makah Indian Tribe was conducted during 1988-90 to assess the nature and magnitude of harbor…
A note on artisanal fisheries interactions with small cetaceans in Mexico
Zavala-Gonzalez, A.; Urban-Ramirez, J.; Esquivel-Macias, C.
Report of the International Whaling Commission (1994)
Between 1982 and 1993, 55 coastal locations throughout Mexico were visited to investigate mortality of small cetaceans. A total of 139 records concerning the use of small cetaceans by fishermen…
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 behaviors and speeds of wild Dall’s porpoises (Phocoenoides dalli)
Law, T. C.; Blake, R. W.
Marine Mammal Sci (1994)
(...) Several researchers have obtained accurate speed data on unconfined cetaceans using a variety of techniques. Hui (1989) analyzed video tapes of Delphinus delphis and Stenella attenuata filmed from a…
The occurrence of Stenurus australis Tantalean and Sarmiento, 1991 (Nematoda: Metastrongyloidea) in the porpoise Phocoena spinipinnis (Burmeister,1865) on the southern coast of Chile
Torres, Patricio; Cortes, Patricio; Oporto, Jorge A.; Brieva, Lila; Silva, Ricardo
Memórias do Instituto Oswaldo Cruz (1994)
(...) In this study the presence of S. australis in P. spinipinnis is recorded for the first time on the Chilean coast. Previously, this species had only been registered from…
Reproduction and reproductive seasonality in Danish harbour porpoises, Phocoena phocoena
Sørensen, Thomas Buus; Kinze, Carl Christian
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…
Interactions between small cetaceans and Peruvian fisheries in 1988/89 and analysis of trends
Van Waerebeek, K.; Reyes, J. C.
Report of the International Whaling Commission (1994)
In 1988 and 1989 we monitored the fish terminal of Pucusana, central Peru, for 259 and 233 days respectively, and observed 1,613 and 1,292 small cetaceans landed. The estimated total…
Incidental catches of harbour porpoises (Phocoena phocoena) in Danish waters, 1986-89
Kinze, C. C.
Report of the International Whaling Commission (1994)
Incidental catches of harbour porpoises (Phocoena phocoena) were studied for the years 1986-89 by means of a salvage programme, an interview survey and a small scale reporting scheme. Data were…