New data on the morphology and occurrence of a parasite of Antarctic fishes, Derogenes johnstoni Prudhoe et Bray, 1973 [Digenea, Hemiuroidea]

• Autorzy: Zdzitowiecki K , Pisano E , Vacchi M
• Języki publikacji: EN

Abstrakty

EN

Derogenes johnstoni Prudhoe et Bray, 1973 is redescribed based on newly collected specimens from notothenioid fishes from the Ross Sea. The species is distinguished from D. varicus (Müller, 1784) by larger eggs, 0.061-0.079 x 0.039-0.051 mm, with very thick shell, 0.005-0.007 mm wide, and a small knob at the anopercular pole. D. johnstoni seems to be common in Terra Nova Bay and probably in all subcontinental waters of the East Antarctic, while D. various (a cosmopolitan species) occurs commonly in the subantarctic and rarely at the South Shetland Islands.

Słowa kluczowe

EN

parasite; Derogenes johnstoni; Antarctic fish; Hemiuroidea; occurrence; morphology; Digenea

• Wydawca: -
• Czasopismo: Acta Parasitologica
• Rocznik: 1993
• Tom: 38
• Numer: 2
• Opis fizyczny: p.69-71,fig.

Twórcy

autor

Zdzitowiecki K

• W.Stefanski Institute of Parasitology, Polish Academy of Sciences, ul.L.Pasteura 3, 00-973 Warszawa, Poland

autor

Pisano E

• Istituto di Anatomia Comparata, University of Genova, Viale Benedetto XV, 5, 16132 Genova, Italy

autor

Vacchi M

• Istituto Centrale per la Ricerca Scientifica e Tecnologica Applicata alla Pesca Marittima, Via L. Respighi, 5, 00197 Roma, Italy

Bibliografia

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