Gastrointestinal helminths of the cetaceans Cephalorhynchus eutropia and Phocoena spinipinnis accidentally entangled in gill-nets off the coast of Queule, Chile, were identified from 1989 to 1990. Pseudoterranova sp., Polymorphus (Polymorphus)…
In response to a request from the IWC Scientific Committee, this paper investigates the disagreement between two sets of Japanese statistics for the Dall's porpoise fishery, with particular reference to…
We compared the contents of 31 stomachs of harbour porpoise calves killed in commercial gill nets in the Bay of Fundy between July and September, 1985–1991, with the stomach contents…
Detailed post mortem examinations were carried out on 41 harbour porpoises (Phocoena phocoena) found dead on the coast of the United Kingdom. The commonest causes of death were entanglement in…
Two hundred and eighty-nine skulls of Dall's porpoises from the North Pacific Ocean, Sea of Japan, Sea of Okhotsk, and Bering Sea were investigated morphometrically. A clear pattern of geographic…
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…
Data from surveys conducted between 1989 and 1992 were used to examine fishing mortality and struck-and-lost rates in three major operating grounds of the Japanese Dall's porpoise harpoon fishery. The…
In the coastal waters of western Kyushu, Japan, a total of 97 incidentally taken or stranded finless porpoises, Neophocaena phocaenoides, was collected for studying age, growth and reproduction. An additional…
(...) The vaquita (Phocoena sinus) is endemic to the Gulf of California and all recent sightings have been in the northern Gulf (Silber 1990a, b) where most survey efforts for…
We present the results of an aerial line transect census of cetaceans along the California coast during March and April 1991. This survey was the first of two aerial surveys…