Investigations on Cetacea (1986)
(...) This document attempts to gather together as much information as is available on the extent of current killings of small cetaceans throughout the world, and also to highlight some…
External morphology and pigmentation of the vaquita, Phocoena sinus
Brownell, Robert L.; Findley, Lloyd T.; Vidal, Omar; Robles, Alejandro; Silvia Manzanilla, N
Marine Mammal Sci (1987)
The vaquita, Phocoena sinus, is a porpoise in the family Phocoenidae that lives only in the Gulf of California. The external appearance of P. sinus was unknown until 13 fresh…
Observations on the behavior and ventilation cycles of the vaquita, Phocoena sinus
Silber, Gregory K.; Newcomer, Michael W.; Barros, Gwendolyn J.
Marine Mammal Sci (1988)
(...) The vaquita or Gulf of California harbor porpoise, Phocoena sinus Norris and McFarland 1958, has been observed rarely (Wells et al. 1981, Brownell 1983, Brownell 1986). Although a number…
Acoustic signals of the Vaquita (Phocoena sinus)
Silber, G.K.
Aquatic Mammals (1991)
This report describes the first sounds recorded from the phocoenid porpoise, vaquita, (Phocoena sinus, Norris & McFarland, 1958). High-frequency recordings were obtained near free-ranging vaquita in the northern Gulf of…
An experimental aerial survey for vaquita (Phocoena sinus) in the northern Gulf of California, Mexico
Barlow, Jay; Fleischer, Luis; Forney, Karin A.; Maravilla-Chavez, Octavio
Marine Mammal Sci (1993)
(...) 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…
Investigations on the osteology and the functional morphology of the flipper of whales and dolphins (Cetacea)
Benke, H.
Investigations on Cetacea (1993)
Of the 79 recent species of cetaceans 51 have been examined relative to the osteology of the flipper and the scapula and, in addition to this, video-recordings of 13 different…
A brief review of stock identity in small marine cetaceans in relation to assessment of driftnet mortality in the north Pacific
Perrin, W. F.; Brownell, R. L. Jr.
Report of the International Whaling Commission (1994)
Dolphins of several species are killed incidentally in driftnet fisheries on the high seas in the North Pacific. Information on stock identity, necessary for assessment and management of the dolphin…
Cetaceans and gillnet fisheries in Mexico, Central America and the wider Caribbean: A preliminary review
Vidal, O.; Van Waerebeek, K.; Findley, L. T.
Report of the International Whaling Commission (1994)
This paper reviews published and unpublished information on the mortality of cetaceans in gillnets in Mexico, Central America and the wider Caribbean. Data on this incidental mortality are provided from…
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…
A global review of porpoise (Cetacea: Phocoenidae) mortality in gillnets
Jefferson, Thomas A.; Curry, Barbara E.
Biological Conservation (1994)
A global review of mortality of porpoises in gillnet fisheries indicates that individuals of all six species become entangled and die in gillnets. Harbor porpoises Phocoena phocoena are taken throughout…