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Ichthyological and fishery studies of the shelf fishing grounds in the region of Kerguelen Islands (Antarctic)

100%

Ślósarczyk W. , Wysokiński A. , Ślósarczyk W. , Wysokiński A.

nr 4

A contribution to the morphology of the Antarctic fish lepocreadiid digeneas, with a description of a new genus

60%

Zdzitowiecki K.

Acta Parasitologica

1993

tom 38

nr 3

Additional data on the details of the male terminalia of Antarctic representatives of the genera Lepidapedon Stafford, 1904 and Neolepidapedon Manter, 1954 are given. The cirrus sac or its distal part of a "Lepidapedon-type" was found in 6 species, L. garrardi (Leiper et Atkinson, 1914), L. notogeorgianus Zdzitowiecki, 1990, L. paralebouri Zdzitowiecki, 1990, L. tertius Zdzitowiecki, 1990, N. magnatestis (Gaevskaya et Kovaljova, 1976) and N. trematomi Prudhoe et Bray, 1973. A new genus, Postlepidapedon, is erected, with P. opisthobifurcatus (Zdzitowiecki, 1990) relegated from the genus Neolepidapedon, as a type-species. The genus is distinguished from related genera in the intestinal bifurcation at the posterior margin of the ventral sucker, lack of the pseudoesophagus, the cirrus sac similar to a "Opechona-type" and the excretory vesicle reaching the anterior testis. Muraenolepitrema magnatestis Gaevskaya et Rodjuk, 1988 is redescribed.

A re-examination of some Antarctic and subantarctic fish digeneans from the collection of the British Museum (Natural History)

51%

Zdzitowiecki K.

Acta Parasitologica

1993

tom 38

nr 4

Mounts of four digenean forms designated by Prudhoe and Bray 1973 only to the genera or family were re-examined. "Opecoelidae (sp. indet.)" = Neolebouria terranovaensis Zdzitowiecki, Pisano et Vacchi, 1993. "Helicometra sp." = Helicometra antarcticae Holloway et Bier, 1968. "Stenakron sp. indet." = Stenakron glacialis Zdzitowiecki, 1989. "Neolepidapedon sp." =Neolepidapedon macquariensis sp. n. Specimens of "Neolepidapedon sp." (= probably N. macquariensis sp. n.) collected from Notothenia mizops are accompanied on the slide with other digeneans, Postmonorchis variabilis Prudhoe et Bray, 1973.

Leeches [Hirudinida: Piscicolidae] - parasites of Antarctic fish from Channichthyidae family

41%

Bielecki A. , Rokicka M. , Ropelewska E. , Dziekonska-Rynko J.

2008

tom 54

nr 4

345-348

Biometrical variability and occurrence of Ascarophis nototheniae [Nematoda, Cystidicolidae], a parasitic nematode of Antarctic and subantarctic fishes

41%

Rocka A.

nr 3

In total, 1446 Antarctic and subantarctic teleosts were examined for nematodes. One species, Ascarophis nototheniae Johnston et Mawson, 1945, is reported. New data on the biometrical variability and the occurrence or absence of this species are given. Three areas of the West Antarctic (the South Shetland Islands, South Georgia and South Orkneys) as well as three areas of the East Antarctic (Davis Sea, Weddell Sea and off Adelie Land) are new geographical localities for this nematode species. Also, 21 fish species represent new host records for A. nototheniae. Two predatory channichthyid species, Chaenocephalus aceratas and Cryodraco antarcticus are the most strongly infected fishes in all examined areas, except the Weddell Sea.

Changes in acanthocephalan infection of the Antarctic fish Notothenia coriiceps in Admiralty Bay, King George Island, over 29 years

31%

Laskowski Z. , Korczak-Abshire M. , Zdzitowiecki K.

tom 33

nr 1