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Monday, August 3, 2020 | History

2 edition of Variation of spotted and spinner porpoise (genus Stenella) in the Eastern Pacific and Hawaii found in the catalog.

Variation of spotted and spinner porpoise (genus Stenella) in the Eastern Pacific and Hawaii

W. F. Perrin

Variation of spotted and spinner porpoise (genus Stenella) in the Eastern Pacific and Hawaii

by W. F. Perrin

  • 234 Want to read
  • 5 Currently reading

Published by University of California Press in Berkeley .
Written in English

    Places:
  • Hawaii.,
  • Pacific Ocean.
    • Subjects:
    • Stenella attenuata -- Variation -- Hawaii.,
    • Stenella longirostris -- Variation -- Hawaii.,
    • Stenella longirostris -- Variation -- Pacific Ocean.,
    • Stenella attenuata -- Variation -- Pacific Ocean.

    • Edition Notes

      Bibliography: p. 197-203.

      Other titlesVariation of spotted and spinner porpoise ...
      Statementby William F. Perrin.
      SeriesBulletin of the Scripps Institution of Oceanography of the University of California ; v. 21, Bulletin of the Scripps Institution of Oceanography, La Jolla, California ;, v. 21.
      Classifications
      LC ClassificationsQL737.C432 P46
      The Physical Object
      Paginationvi, 206 p. :
      Number of Pages206
      ID Numbers
      Open LibraryOL5059213M
      ISBN 100520095278
      LC Control Number74022939

      Composition of Milk from Spotted and Spinner Porpoises Michael E. Q. Pilson Institute for Comparative Biology, San Diego (present address: Graduate School of Oceanography, University of Rhode Island, Kingston, ) and Department of Zoology, University of Wisconsin, Madison (present address: Kent State University, Kent, Ohio ). Dolphin Legends in Hawaii by Serge Kahili King. There aren't any. Or are there? Although there are many mysteries and strange happenings to be found in these beautiful islands, one of the most mysterious and strange is the fact that there are no traditional dolphin stories.

      Variation owing to ontogeny, sexual dimorphism, individual variation, and geographical differentiation in coloration, external size and shape, and skeleton are described in qualitative and quantitative terms, and three geographical races of the spotted porpoise, Stenella attenuata (Gray, ), and four of the spinner porpoise, S. longirostris. Southwest Fisheries Science Center. Home; Staff Directory; Contact Us; Feedback; Disclaimer; Accessibility; NOAA Fisheries Privacy Policy.

      The purpose of this study was to quantify and compare concentrations of progesterone in the blubber of four additional species of small delphinid: the long-beaked common dolphin (Delphinuscapensis), the pantropical spotted dolphin (Stenellaattenuata), the eastern spinner dolphin (S.   Delhi all-rounder Pranshu Vijayaran, Railways left-arm spinner Harsh Tyagi along with two unheralded youngsters -- left-arm wrist spinner Rajat Goel and pacer Bobby Yadav -- .


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Variation of spotted and spinner porpoise (genus Stenella) in the Eastern Pacific and Hawaii by W. F. Perrin Download PDF EPUB FB2

Variation of spotted & spinner porpoise (genus stenella) in the eastern tropical pacific & hawaii [perrin, w.] on *free* shipping on qualifying offers. variation of spotted & spinner porpoise (genus stenella) in the eastern tropical pacific & hawaiiAuthor: W.

Perrin. Get this from a library. Variation of spotted and spinner porpoise (genus Stenella) in the Eastern Pacific and Hawaii. [William F Perrin]. SPINNER DOLPHIN FACTS: Description The Spinner Dolphin gets its name from its habit of leaping out of the water, twirling and landing with noisy splash.

The back is dark grey and belly is white. On each side there is a paler gray side panel. Other Names Spinner Porpoise, Long-snouted Spinner Dolphin Size Length m - m, with average length. Variation owing to ontogeny, sexual dimorphism, individual variation, and geographical differentiation in coloration, external size and shape, and skeleton are described in qualitative and quantitative terms, and three geographical races of the spotted porpoise, Stenella attenuata (Gray, ), and four of the spinner porpoise, S.

longirostris Author: William F Perrin. Spinner dolphins may use different habitats depending on the season. The spinner dolphin feeds mainly on small mesopelagic fish, squids, and sergestid shrimps, and will dive – m to feed on them. Spinner dolphins of Hawaii are nocturnal feeders and forage Class: Mammalia.

Life-history parameters are estimated for two forms of the spinner dolphin (Stenella longirostris (Gray, )): the eastern subspecies (Stenella longirostris orientalis Perrin, ) and the whitebelly data analyzed (n = eastern and whitebelly spinner dolphins) were collected between and from female dolphins incidentally killed in the yellowfin tuna (Thunnus.

This is the largest subfamily, which contains the genera that are all marine species. These are Tursiops, the Bottlenose Dolphin, Stenella, the Spotted, Striped and Spinner Dolphins, Lagenorhynchus "lags", Delphinus, the Common Dolphins and Grampus, Risso's Dolphin.

Subfamily: Lissodelphinae. Perrin WF () Variation of spotted and spinner porpoise (genus Stenella) in the eastern Pacific and Hawaii. Bulletin of the Scripps Institution of Oceanography, University of California Google Scholar. Spinner dolphin (Stenella longirostris) populations were found to differ in the eastern tropical Pacific in features such as dorsal fin shape, color patterns, fluke shape, and cranial morphology.

The spinner dolphins (top) associate still associate with the spotted dolphins and thus may be indirectly associated with the tuna. When the thermocline sinks even deeper, the vertical difference in swimming depth between the yellowfin tuna (near the thermocline) and both spotted and spinner dolphins is too great to maintain an association.

Whale, dolphin and porpoise artwork and photographs available for reproduction. Click on any image below for the complete species selection. The pantropical spotted dolphin (Stenella attenuata) is a species of dolphin found in all the world's temperate and tropical oceans. The species was beginning to come under threat due to the killing of millions of individuals in tuna purse the s, the rise of "dolphin-friendly" tuna capture methods saved millions of the species in the eastern Pacific Ocean and it is now one of the.

We characterize the life-history strategy of female short-beaked common dolphins (Delphinus delphis L., ) inhabiting the eastern tropical Pacific by estimating several growth and reproductive uctive condition (n = ) and age (n = ) were determined for animals sampled from those incidentally killed in the yellowfin tuna (Thunnus albacares (Bonnaterre, )).

Cranial Variation in Spotted Dolphin Measurements were made to the nearest mm by using calipers (Mitutoyo, mm and mm). Body lengths were retrieved from. the eastern Pacific spotted porpoise Stenella uraffmani (Lannberg) The primary pur­ pose of this paper is to describe the ontogeny and geographical variation of the color patterns of spinner porpoises of the eastern tropical Pa­.

The Society for Marine Mammalogy has created an extensive list of cetacean species (see below). Many of these listings are controversial and not universally accepted by researchers because they are based solely on DNA samples.

There is great disagreement among taxonomists as to what criteria, if any, constitutes a separate species, sub-species, race or variation. Variation of spotted and spinner porpoise (genus Stenella) in the eastern Pacific and Hawaii.

Bulletin of the Scripps Institution of Oceanogra 1– Perrin, W. F., and Mesnick, S. Sexual ecology of the spinner dolphin, Stenella longirostris: geographic variation in mating system. Marine Mammal Scie – Among Gray’s spinner dolphins (the subspecies that includes Hawaiian spinner dolphins), adult females are to feet long and adult males are to feet long.

They reach weights of at least pounds. There is a great deal of color variation in spinner dolphins across the globe, depending on the region and subspecies of dolphin. Spinner Dolphins can be very noisy under and above water, click here for underwater video and audio of spinner dolphins vocalizing and a signature whistle.

Echolocation enables dolphins to track objects in dim or dark water, in effect to "see" much further than their eyes alone will allow.

the milk from an unidentified porpoise. Eichelberger et al. () reported the composition of milk samples collected from three Tursiops truncatus, and from one Stenella plagiodon. In this paper we report on the composition of milk collected from eight spotted porpoises, Stenella graffmani (Lonnberg) and one spinner porpoise, Stenella microps.

Perrin WF (a) Variation of spotted and spinner porpoise (Genus Stenella) in the eastern tropical Pacific and Hawaii. Bull Scripps Inst Oceanogr – Google Scholar Perrin WF (b) Distribution and differentiation of populations of dolphins of the genus Stenella in eastern tropical Pacific.The eighty-nine cetacean species that swim our seas and rivers are as diverse as they are intelligent and elusive, from the hundred-foot-long, two-hundred-ton blue whale to the lesser-known tucuxi, ginkgo-toothed beaked whale, and diminutive, critically endangered vaquita.

The huge distances these highly migratory creatures cover and the depths they dive mean we catch only the merest glimpses.Variation of spotted and spinner porpoise (genus Stenella) in the Eastern Pacific and Hawaii [] Perrin, William F.

Berkeley: University of California Press,