Although thought to be fairly common off the western and southeastern coasts of South America, Burmeister's porpoise (Phocoena spinipinnis) has seldom been seen alive by cetacean researchers. Published sightings are…
Harbour porpoises (Phocoena phocoena) stranding in large numbers around the southern North Sea with fatal, sharp-edged mutilations have spurred controversy among scientists, the fishing industry and conservationists, whose views about…
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…
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…
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…
(...) 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'…
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…
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…
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…
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…