Occurrence of Digenea in fishes of the family Bathydraconidae in the Weddell Sea and other areas of Antarctica

• Autorzy: Zdzitowiecki K
• Języki publikacji: EN

Abstrakty

EN

Four digenean species, Stenakron glacialis, Lepidapedon garrardi, Steringophorus arntzi and Otodistomum cestoides (metacercariae) were recorded in three of four bathydraconid species (59 specimens) examined in the Weddell Sea. The only previously reported species, Elytroplicilloides oatesi, was found there only in other hosts. The total number of digenean species known as occurring in Bathydraconidae in Antarctica increased to 13. They were recorded in eight of ten host species examined. However, only a few specimens of most of bathydraconid species were investigated. Most of digenean species are more abundant in other fishes, especially in Nototheniidae and Channichthyidae. S. arntzi and S. glacialis normally occur in Bathydraco marri and Racovitzia glacialis respectively, but they were occasionally found also in Artedidraconidae; the latter was reported also from a liparidid. Intensities of infections are usually low, except in three large predatory species, Parachaenichthys charcoti, P. georgianus and Cygnodraco mawsoni, which can be parasitized by about 100 or more digeneans in some single hosts.

Słowa kluczowe

EN

Antarctic; Bathydraconidae; fish; Otodistomum cestoides; Lepidapedon garrardi; diversity; Stenakron glacialis; occurrence; Steringophorus arntzi; Weddell Sea; Digenea

• Wydawca: -
• Czasopismo: Acta Parasitologica
• Rocznik: 2002
• Tom: 47
• Numer: 4
• Opis fizyczny: p.310-313

Twórcy

autor

Zdzitowiecki K

• W. Stefański Institute of Parasitology, Polish Academy of Sciences, 51-55 Twarda Street, 00-818 Warsaw, Poland
• Department of Antarctic Biology, Polish Academy of Sciences, 10 Ustrzycka Street, 02-141 Warsaw, Poland

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