DAO 115:9-14 (2015)  -  DOI: https://doi.org/10.3354/dao02879

Anisakidae in beluga whales Delphinapterus leucas from Hudson Bay and Hudson Strait

Katarzyna Najda1, Manon Simard2, Julia Osewska1, Janina Dziekońska-Rynko3, Joanna Dzido1, Jerzy Rokicki1,*

1Department of Invertebrate Zoology and Parasitology, University of Gdansk, Wita Stwosza 59, 80-308 Gdańsk, Poland
2Nunavik Research Centre, Makivik Corporation, PO Box 179, Kuujjuaq, Quebec J0M 1C0, Canada
3Department of Zoology, Faculty of Biology and Biotechnology, University of Warmia and Mazury, Oczapowskiego St. 5, 10-719 Olsztyn, Poland
*Corresponding author:

ABSTRACT: A total of 190 nematodes was isolated from the stomachs of 13 beluga whales Delphinapterus leucas from the Arctic part of Hudson Bay and Hudson Strait. Infection intensity ranged from 1 to 57 specimens and prevalence was 84.62%. Morphological examination of the nematodes revealed the presence of 3 species: Pseudoterranova decipiens sensu lato, Contracaecum osculatum s.l., and Anisakis simplex s.l. Molecular analysis by PCR-based restriction fragment length polymorphism (PCR-RFLP) resulted in the identification of 4 species: Pseudoterranova bulbosa, Contracaecum osculatum A and C, and Anisakis simplex sensu stricto. The nematodes were present in 3 developmental stages: L3 (159 specimens), L4 (16 larvae), and adults (15 worms: 11 males and 4 females).


KEY WORDS: Anisakis · Contracaecum · Pseudoterranova · Canada · Cetacean · Parasite · Zoonosis


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Cite this article as: Najda K, Simard M, Osewska J, Dziekońska-Rynko J, Dzido J, Rokicki J (2015) Anisakidae in beluga whales Delphinapterus leucas from Hudson Bay and Hudson Strait. Dis Aquat Org 115:9-14. https://doi.org/10.3354/dao02879

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