Skip to main content
SpringerLink
Log in

Photomicrographic images of some features of Uncinaria spp (Nematoda: Ancylostomatidae) from otariid pinnipeds

  • Original Paper
  • Published:
Parasitology Research Aims and scope Submit manuscript

Abstract

Photomicrographs of several morphologic features of hookworms (Uncinaria spp) from northern fur seal (Callorhinus ursinus) and California sea lion (Zalophus californianus) pups are presented. The main purpose is to show and describe some physical characteristics of hookworms from the two hosts; it is not to decide from these attributes whether the Uncinaria spp are the same species. The number of species of Uncinaria in pinnipeds is uncertain and specimens need to be examined from the various infected seals and sea lions before the taxonomy of these parasites can be clarified. Information in the present paper should aid in this determination.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6
Fig. 7

Similar content being viewed by others

References

  • Baylis HA (1933) A new species of the nematode genus Uncinaria from a sea-lion with observations on related species. Parasitology 25:308–316

    Google Scholar 

  • Baylis HA (1947) A redescripton of Uncinaria lucasi Stiles, a hookworm of seals. Parasitology 38:160–162

    Google Scholar 

  • Beveridge I (1980) Uncinaria hydromyidis sp n (Nematoda: Ancylostomatidae) from the Australian water rat, Hydromys chrysogaster. J Parasitol 66:1027–1031

    Google Scholar 

  • Botto C, Mane-Garzon F (1975) Sobre una nueva subespecie del genero Uncinaria (Nematoda, Strongyloidea) de Otaria flavescens Shaw y la especiacion en el genero Uncinaria en Pinipedos Americanos. Rev Biol UrugIII:127–141

    Google Scholar 

  • Cameron TWM (1924) Dochmoides: a new genus for the hookworm “Uncinaria“ stenocephala Railliet. J Helminthol 2:46–50

    Google Scholar 

  • Chaubaud AG, Durette-Desset M-C (1975) Uncinaria (Magadeirides) olseni n. sp., Nematode a caracteres archaiques parasite d’un Tupaia a Borneo. Ann Parasitol (Paris) 50:789–793

    Google Scholar 

  • Chaubaud AG, Brygoo ER, Tcheprakoff R (1964) Nematodes parasites d’Insectivores malgaches. Bull Mus Hist Nat, Paris, 2 ser 36:245–261

    Google Scholar 

  • Dailey MD, Hill BL (1970) A survey of metazoan parasites infecting the California (Zalophus californianus) and Steller (Eumetopias jubatus) sea lion. Bull Soc Calif Acad Sci 69:126–132

    Google Scholar 

  • George-Nascimento M, Lima M, Ortiz E (1992) A case of parasite-mediated competition: phenotypic differentiation among hookworms Uncinaria sp. (Nematoda: Ancylostomatidae) in sympatric and allopatric populations of South American sea lions Otaria byronia, and fur seals Arctocephalus australis (Carnivora: Otariidae). Mar Biol 112:527–533

    Google Scholar 

  • Gibbs HC (1961) Studies on the life cycle and developmental morphology of Dochmoides stenocephala (Ralliet 1884) (Ancylostomidae: Nematoda). Can J Zool 39:325–348

    Google Scholar 

  • Hasegawa H (1989) Two nematodes from the Iriomote Cat, Prionailurus iriomotensis, from Okinawa: Uncinaria (Uncinaria) maya n. sp. (Ancylostomatoidea) and Molineus springsmithi yayeyamanus n. subsp. (Trichostrongyloidea). J Parasitol 75:863–869

    Google Scholar 

  • Levine ND (1968) Nematode parasites of domestic animals and of man. Burgess, Minneapolis

  • Lichtenfels JR (1980) Keys to genera of the superfamilies Ancylostomatoidea and Diaphanocephaloidea. In: Anderson RC, Chaubaud AG, Willmott S (eds) CIH keys to the nematode parasites of vertebrates. CAB, Farnham Royal

  • Nadler SA, Adams BJ, Lyons ET, DeLong RL, Melin SR (2000) Molecular and morphometric evidence for separate species of Uncinaria (Nematoda: Ancylostomatidae) in California sea lions and northern fur seals: hypothesis testing supplants verification. J Parasitol 86:1099–1106

    Google Scholar 

  • Noble ER and Noble GA (1964) Parasitology. The biology of animal parasites, 2nd edn. Lea and Febiger, Philadelphia

  • Olsen OW (1952) Report on investigations of hookworms, Uncinaria lucasi Stiles, 1901, and hookworm disease of fur seals, Callorhinus ursinus, on the Pribilof Islands, Alaska from 7 July to September 2, 1951. With a supplementary report by WL Jellison, U.S. Dept Interior, Fish and Wildlife Ser, Ozalid, Washington

  • Olsen OW (1968) Uncinaria rauschi (Strongyloidea: Nematoda), a new species of hookworms from Alaskan bears. Can J Zool 46:1113–1117

    Google Scholar 

  • Olsen OW (1974) Animal parasites. Their life cycles and ecology, 3rd edn. University Park Press, Baltimore

  • Schmidt GD, Roberts LA (1989) Foundations of parasitology, 4th edn. Time Mirror/Mosby College, St. Louis

  • Wolfgang RW (1956) Dochmoides yukonensis sp. nov. from the brown bear (Ursus americanus) in the Yukon. Can J Zool 34:21–27

    Google Scholar 

  • York W, Maplestone PA (1926) The nematode parasites of vertebrates. Churchill, London

Download references

Acknowledgement

This paper (no. 04-14-128) is published with the approval of the director of the Kentucky Agricultural Experiment Station.

Author information

Authors and Affiliations

  1. Department of Veterinary Science, University of Kentucky, Gluck Equine Research Center, Lexington, KY 40546-0099, USA

    E. T. Lyons

  2. National Marine Mammal Laboratory, Alaska Fisheries Science Center, National Marine Fisheries Service, Bldg 4, 7600 Sand Point Way, N.E., Seattle, WA 98115-0070, USA

    R. L. DeLong

Authors
  1. E. T. Lyons
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. R. L. DeLong
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to E. T. Lyons.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Lyons, E.T., DeLong, R.L. Photomicrographic images of some features of Uncinaria spp (Nematoda: Ancylostomatidae) from otariid pinnipeds. Parasitol Res 95, 346–352 (2005). https://doi.org/10.1007/s00436-005-1308-8

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s00436-005-1308-8

Keywords

Search

Navigation