Please use this identifier to cite or link to this item: https://repository.marine-research.org/handle/299011/1413
Authors: Dmitrieva, E. V.
Gerasev, P. I.
Gibson, D. I.
Pronkina, N. V.
Galli, P.
Title: Descriptions of eight new species of Ligophorus Euzet & Suriano, 1977 (Monogenea: Ancyrocephalidae) from Red Sea mullets
Keywords: Ligophorus bipartitus;Ligophorus bykhowskyi;Ligophorus campanulatus;Ligophorus lebedevi;Ligophorus mamaevi;Ligophorus simpliciformis;Ligophorus surianoae;Ligophorus zhangi
Issue Date: 2012
Language (ISO): English
Volume number: 81
Pages: 203–237
Abstract: Eight new species of Ligophorus Euzet & Suriano, 1977 (Monogenea: Ancyrocephalidae) are described from two species of mullets from the Red Sea. Ligophorus bykhowskyi n. sp. and L. zhangi n. sp. from Crenimugil crenilabris (Forsskal) differ from other species of the genus in the structure of the male copulatory organ, which has a simple accessory piece and a wide copulatory tube that arises from a large, single-chambered, expanded base. Ligophorus simpliciformis n. sp., L. bipartitus n. sp., L. campanulatus n. sp., L. mamaevi n. sp., L. lebedevi n. sp. and L. surianoae n. sp. from Liza carinata (Valenciennes) are differentiated on the basis of the morphometrics of the hard parts of the haptor and male copulatory organ. The eight species represent the first records of species directly attributed to Ligophorus from the Red Sea. Measurements of the haptoral hard-parts and the male copulatory organ of the new species are analysed with the aid of Principal Component Analysis. Three morphological types of male copulatory organ, five types of anchor, and two types of ventral and three types of dorsal bars were distinguished among these species. L. bykhowskyi and L. zhangi from C. crenilabris have the same type of male copulatory organ and anchors. Those species from Liza carinata have only one common morphological character, a thick copulatory tube, but have two types of accessory piece, four types of anchors and three types of bars. All species of Ligophorus found on mullets in the Red Sea have an accessory piece without a distal bifurcation and thus differ from most species of this genus from other regions of the world’s oceans.
Appears in Collections:IMBR's Collection of Marine Parasites – Bibliography / Коллекция паразитов морских рыб и беспозвоночных ИМБИ РАН — Библиография

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