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Porpoise.org Porpoise Conservation Society
  • About Porpoises
    • Harbour Porpoise
    • Dall’s Porpoise
    • Spectacled Porpoise
    • Burmeister’s Porpoise
    • Vaquita
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Porpoise Research Library

1132 entries found.
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  • All species
  • P. spinipinnis 92
  • P. dalli 131
  • P. phocoena 729
  • N. phocaenoides 97
  • N. asiaeorientalis 181
  • P. dioptrica 46
  • P. sinus 123
  • Date added
  • Year of publication

The swimming direction of harbor porpoise in relationship to a survey vessel

Polacheck, T.; Thorpe, L.
Report of the International Whaling Commission (1990)

Information on the movement of cetaceans in relation to survey vessels is important for determining if abundance and density estimates from ship-based line transect sighting surveys are biased. A ship-based…

  • Phocoena phocoena
  • behaviour
  • comparison
  • noise

Calving seasonality of Dall’s porpoise in the eastern north Pacific

Jefferson, Thomas A.
Marine Mammal Sci (1989)

(...) Four newborn Dall’s porpoises were examined by the author during July of 1987 and 1988. All had muted color patterns, and some evidence of umbilical remnants, fetal folds, and…

  • Phocoenoides dalli
  • reproduction

A porpoise, Australophocaena dioptrica, previously identified as Phocoena spinipinnis, from Heard Island

Brownell, Robert L.; Heyning, John E.; Perrin, William F.
Marine Mammal Sci (1989)

(...) Guiler, Burton and Gales (1987) reported a cranium (Tasmanian Museum No. A1411) they identified as belonging to Burmeister’s porpoise, Phocoena spinipinnis (Burmeister, 1865) from Heard Island (53°S 73°30’E). They…

  • Phocoena spinipinnis
  • Phocoena dioptrica
  • morphology

New record of the spectacle porpoise

Pagnoni, Gustavo; Saba, Sergio
Marine Mammal Sci (1989)

Abstract currently unavailable

  • Phocoena dioptrica

No topic tags associated with this entry.


Respiratory arrhythmia in the hearts of harbour porpoises (Phocoena phocoena)

Kastelein, R. A.; Meijler, F. L.
Aquatic Mammals (1989)

The heart rates of 3 Harbour porpoises (recorded for 26 days) showed individual variation. Electrocardiograms of two of these animals, made while they were on land, showed respiratory arrhythmia. The…

  • Phocoena phocoena
  • physiology

Postmortem findings in stranded harbour porpoises (Phocoena phocoena, L. 1758) in The Netherlands from 23rd March 1983 to 25th June 1986

van Nie, C. J.
Aquatic Mammals (1989)

The post-mortem findings in 38 stranded harbour porpoises during the period 23rd March 1983 to 25th June 1986 in The Netherlands results in a general view about the parasitological status…

  • Phocoena phocoena
  • disease
  • stranding

The olfactory regions in the nose of the harbour porpoise Phocoena phocoena (Linnaeus, 1758)

Behrmann, G.
Aquatic Mammals (1989)

(...) The anatomy of the odontocete brains indicates that they can taste but cannot smell. Apparently, when the blowhole migrated to the top of the head, the neural pathways for…

  • Phocoena phocoena
  • physiology
  • smell

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…

  • Phocoenoides dalli
  • growth
  • morphology

Aerial survey of cetaceans in the coastal waters off Iceland, June-July 1986

Gunnlaugsson, T.; Sigurjonsson, J.; Donovan, G. P.
Report of the International Whaling Commission (1988)

Results of an aerial sightings survey conducted in coastal (within the 600m depth contour) Icelandic waters from 27 June-20 July 1986 are presented. The survey followed a predetermined random grid,…

  • Phocoena phocoena
  • distribution
  • dolphin
  • killer whale
  • whale

Sound production by a neonatal Dall’s porpoise (Phocoenoides dalli)

Bain, David E.
Proceedings of the 16th Annual IMATA Conference (1988)

-San Antonio, Texas- In July of 1987, a Dall's porpoise (Phocoenoides dalli), with her umbilical cord still attached, stranded in Bodega Bay, California. She was transported to Marine World Africa,…

  • Phocoenoides dalli
  • behaviour
  • echolocation
  • growth
  • rehabilitation
  • stranding

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