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…
Morphometric and meristic comparisons of skulls of harbour porpoise Phocoena phocoena (L.) from the North Atlantic and North Pacific
Yurick, Douglas B.; Gaskin, David. E.
Ophelia (1987)
Highly significant (α = 0.01) differences in analysis of 473 skulls of harbour porpoises indicate separate eastern Pacific, western Atlantic, and eastern Atlantic populations. Including the isolated population in the…
Chromosome number of two color types of the Dall’s porpoise
Yabu, H.; Ogi, H.
Scientific Reports of the Whales Research Institute (1986)
(...) Makino (1948) studied chromosomes of a male P. dalli using traditional sectioning of testis tissue. Since it was generally accepted in those days that the two color morphs represent…
A review of human impact on small cetaceans
Northridge, S.; Pilleri, G.
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…
Ontogenetic development of the nervus terminalis in toothed whales
Buhl, E. H.; Oelschläger, H. A.
Anatomy and Embryology (1986)
For the first time in cetaceans, the development of the terminalis system and its continuity between the olfactory placode and the telencephalon has been demonstrated by light microscopy. In the…
Perinatal growth of delphinoids: Information from aquarium reared bottlenose dolphins and finless porpoises
Kasuya, T.; Tobayama, T.; Saiga, T.; Kataoka, T.
Scientific Reports of the Whales Research Institute (1986)
The early postnatal growth of bottlenose dolphins and finless porpoises was studied using 97 body length records of 61 individuals born in aquariums. The growth rates observed were similar to…
Distribution of the vaquita, Phocoena sinus, in Mexican waters
Brownell, Robert L.
Marine Mammal Sci (1986)
(...) In the original description of the vaquita, Phocoena sinus, Norris and McFarland (1958) gave the range as “certainly occurring in the upper Gulf of California and probably extending south…
Factors affecting the recovery of Phocoena sinus, the vaquita or Gulf of California harbor porpoise
Barlow, J.
NMFS Administrative Report No. 86-37 (1986)
The vaquita (Phocoena sinus) is a small porpoise found only in the northern Gulf of California. This species may have been subject to high levels of mortality in the gill-net…
Review of the distribution and status of the Burmeister’s porpoise in Chile. Report: cetacean survey in II Region of Chile, August-September 1986
Van Waerebeek, K.; Guerra-Correa, C. G.
Report of the IUCN/UNEP Burmeister's Porpoise Project (1986)
(...) During August and September 1986 a cooperative research effort was organized between a consultant of the IUCN/UNEP Burmeister's Porpoise Project (KVW) and the head of the marine mammal and…
Note on the occurrence of Spondylitis deformans in a sample of harbour porpoises (Phocoena phocoena (L.)) taken in Danish waters
Kinze, C. C.
Aquatic Mammals (1986)
(...) Spondolytis deformans, a pathological deformation of the vertebral column, has so far been found in 41 cases in 26 recent and extinct cetacean species, among them the harbour porpoise…