Aquatic Mammals (2015)
Large amounts of legacy unexploded ordnance (UXO) are still present in the North Sea. UXO are frequently accidentally encountered by fishermen and dredging vessels. Out of concern for human safety…
Phocoenoides dalli
Jefferson, Thomas A.
Mammalian Species (1988)
(...) Order Cetacea, Suborder Odontoceti, Family Phocoenidae. The family contains four extant genera: Phocoena, Australophocaena, Neophocaena, and Phocoenoides (Barnes, 1985). Barnes (1984, 1985) has proposed two subfamilies within the Phocoenidae.…
Abundance estimates of Pacific white-sided dolphin, northern right whale dolphin, Dall’s porpoise and northern fur seal in the north Pacific, 1987-1990
Buckland, S.T.; Cattanach, K.L.; Hobbs, R.C.
Bulletin of the International North Pacific Fisheries Commission (1993)
Line transect analysis was applied to the 1987-1990 North Pacific marine mammal sightings survey data, with a regression adjustment for size-biased sampling of schools. Abundance of Pacific white-sided dolphins is…
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…
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…
On the biology of the spectacled porpoise, Australophocaena dioptrica
Goodall, R.N.P.; Schiavini, A.C.M.
Report of the International Whaling Commission (1995)
Published descriptions of the biology of the spectacled porpoise, Australophocaena dioptrica, are reviewed and compared to new material collected in Tierra del Fuego and Chubut, Argentina. Although over 173 cranial…
Phocoena dioptrica
Brownell, Robert L.
Mammalian Species (1975)
(...) The original description of the holotype of P. dioptrica was based on an unique and distinctive color pattern. The dorsal surface and upper lateral surface to just above the'…
Vaquita bycatch in Mexico’s artisanal gillnet fisheries: Driving a small population to extinction
D'agrosa, Caterina; Lennert-Cody, Cleridy E.; Vidal, Omar
Conservation Biology (2000)
The world's most endangered marine cetacean, the vaquita (Phocoena sinus), continues to be caught in small-mesh gillnet fisheries throughout much of its range. We monitored fishing effort and incidental vaquita…
Distribution of the vaquita, Phocoena sinus, based on sightings from systematic surveys
Gerrodette, Tim; Fleischer, Luis A.; Perez-Cortes, Hector; Villa-Ramirez, Bernardo
Report of the International Whaling Commission (1995)
Sightings of 37 groups of vaquitas, Phocoena sinus, with an estimated total of 62 individuals, are reported from six major systematic surveys and four small boat surveys in the Gulf…
Population biology and incidental mortality of the vaquita, Phocoena sinus
Vidal, O.
Report of the International Whaling Commission (1995)
This paper reviews available information on the population biology and incidental mortality of the vaquita, Phocoena sinus. A re-examination of previous records and the collection of new records reveals that…