Porpoise.org Porpoise Conservation Society Porpoise.org Porpoise Conservation Society

  • About Porpoises
    • Back
    • Harbour Porpoise
    • Dall’s Porpoise
    • Spectacled Porpoise
    • Burmeister’s Porpoise
    • Vaquita
      • Back
      • Species Profile
      • Save the Vaquita Porpoise
    • Narrow-Ridged Finless Porpoise
    • Indo-Pacific Finless Porpoise
    • Knowledge Base
    • Research Library
  • What we do
    • Back
    • Our Mission
    • Research
      • Back
      • Research Overview
      • Land-Based Study
    • Outreach & Interpretation
    • Not a Dolphin Podcast
  • Get Involved
    • Back
    • Report Sightings
    • Adopt a Porpoise
    • Donate
    • Puffing Pig Shop
    • Volunteer
    • Events
    • Contact us
Porpoise.org Porpoise Conservation Society
  • About Porpoises
    • Harbour Porpoise
    • Dall’s Porpoise
    • Spectacled Porpoise
    • Burmeister’s Porpoise
    • Vaquita
      • Species Profile
      • Save the Vaquita Porpoise
    • Narrow-Ridged Finless Porpoise
    • Indo-Pacific Finless Porpoise
    • Knowledge Base
    • Research Library
  • What we do
    • Our Mission
    • Research
      • Research Overview
      • Land-Based Study
    • Outreach & Interpretation
    • Not a Dolphin Podcast
  • Get Involved
    • Report Sightings
    • Adopt a Porpoise
    • Donate
    • Puffing Pig Shop
    • Volunteer
    • Events
    • Contact us
  • Adopt
  • Donate

Porpoise Research Library

Searching in P. dalli. 128 entries found.
  • Submit new paper
  • 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

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,…

  • behaviour
  • echolocation
  • growth
  • rehabilitation
  • stranding

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…

  • growth
  • morphology

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…

  • reproduction

Studies on echolocation of porpoises taken in salmon gillnet fisheries

Hatakeyama, Yoshimi; Soeda, Hideo
Sensory Abilities of Cetaceans (1990)

(...)In the Bering Sea, marine mammals, particularly Dall's porpoises, Phocoenoides dalli, get incidentally entangled in gillnets of the Japanese mothership salmon fishery. The maximum total number of Dall's porpoises to…

  • behaviour
  • bycatch
  • captivity
  • comparison
  • echolocation

Photo-identification techniques applied to Dall’s porpoise (Phocoenoides dalli) in Puget Sound, Washington

Miller, E. J.
Report of the International Whaling Commission (1990)

Dorsal fin photographs of Dall's porpoise, Phocoenoides dalli, were taken in northern Puget Sound, Washington in order to assess the feasibility of using photo-identification techniques in studies of this species.…

  • abundance
  • behaviour
  • coloration

Sexual dimorphism and development of external features in Dall’s porpoise Phocoenoides dalli

Jefferson, T. A.
Fishery Bulletin (1990)

Examination of 95 Dall's porpoise specimens incidentally caught in gill nets, and 4 collected as beach strandings, indicate significant sexual dimorphism and developmental variation in several aspects of external morphology…

  • behaviour
  • coloration
  • comparison
  • dolphin
  • morphology
  • reproduction

Observations on the distribution and behavior of Dall’s porpoise (Phocoenoides dalli) in Monterey Bay, California

Jefferson, T.
Aquatic Mammals (1991)

A study of Dall's porpoise distribution and behaviour between September 1986 and February 1989 confirmed the year-round presence of these animals in Monterey Bay, California. Dall's porpoises in the Bay…

  • behaviour
  • distribution
  • habitat use

Examination of Japanese statistics for the Dall’s porpoise hand harpoon fishery

Kasuya, T.
Report of the International Whaling Commission (1992)

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…

  • capture

Geographic variation and sexual dimorphism in the skull of Dall’s porpoise, Phocoenoides dalli

Amano, Masao; Miyazaki, Nobuyuki
Marine Mammal Sci (1992)

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…

  • distribution
  • morphology
  • skeleton

Facial anatomy and potential function of facial structures for sound production in the harbor porpoise (Phocoena phocoena) and Dall’s porpoise (Phocoenoides dalli)

Curry, Barbara E.
Can. J. Zool. (1992)

Structural modifications of the odontocete skull and nasal passages have shifted the position of the facial bones and associated soft anatomy to the dorsal aspect of the head. The facial…

  • bioacoustics
  • comparison
  • dolphin
  • physiology

  • «
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • …
  • 13
  • »
Learn how you can make a difference for porpoises and sign up for regular updates.

All contact information you provide is kept confidential and never shared with third parties.

We are a non-profit society dedicated to the protection and conservation of all species of porpoise and their natural habitats and ecosystems.

About Porpoises
  • Harbour Porpoise
  • Dall's Porpoise
  • Spectacled Porpoise
  • Burmeister's Porpoise
  • Vaquita
    • Species Profile
    • Save the Vaquita Porpoise
  • Narrow-Ridged Finless Porpoise
  • Indo-Pacific Finless Porpoise
  • Knowledge Base
  • Research Library
What we do
  • Our Mission
  • Research
    • Research Overview
    • Land-Based Study
  • Outreach & Interpretation
  • Not a Dolphin Podcast
Get Involved
  • Report Sightings
  • Adopt a Porpoise
  • Donate
  • Puffing Pig Shop
  • Volunteer
  • Events
  • Contact us
  • Contact us
  • Privacy Policy

porpoise.org is the official website of the porpoise.org Porpoise Conservation Society — a non-profit society registered in British Columbia, Canada (S-63931). Charity Registration Number 80343 5395 RR0001.
© porpoise.org Porpoise Conservation Society.

+1 (604) 629-6112 · info /at/ porpoise.org