Dichelyne (Dichelyne) spinigerus sp. nov. (Nematoda: Cucullanidae) from the marine fish Otolithes ruber (Sciaenidae) off Iran and first description of the male of Philometra otolithi Moravec et Manoharan, 2013 (Nematoda: Philometridae)

• Autorzy: Moravec F. , Khosheghbal M. , Pazooki J.
• Języki publikacji: EN

Abstrakty

EN

Recent parasitological examinations of the marine perciform fish (tigerteeth croaker) Otolithes ruber (Bloch et Schneider) (Sciaenidae) from off Iran yielded one new and one previously known nematode species: Dichelyne (Dichelyne) spinigerus sp. nov. (Cucullanidae) from the host’s intestine in the Persian Gulf and Philometra otolithi Moravec et Manoharan, 2013 (Philometridae) from the ovary in the Persian Gulf and the Sea of Oman. The new species D. spinigerus is mainly characterized by the tail tip of both sexes terminating in two shaply pointed spikes (one dorsal and one ventral) and bearing a pair of minute lateral cuticular spines at its base, situation of both deirids and the excretory pore well posterior to the level of the posterior end of oesophagus, absence of a precloacal sucker and the presence of one or two intestinal caeca. The male and small mature females of the gonad-infecting species P. otolithi are described for the first time, based on light and scanning electron microscopical studies. The male of P. otolithi is most similar to that of P. johnii Moravec et Ali, 2013, but differs from it by the structure of the cephalic end and the number of caudal papillae; both species also differ from each other by the presence of transverse lamellae in the buccal cavity of gravid and subgravid females of P. otolithi, which are missing in those of P. johnii.

Słowa kluczowe

EN

parasitic nematode; Dichelyne; Philometra; marine fish; Otolithes ruber; Sciaenidae; nematode species; Dichelyne (Dichelyne) spinigerus; Cucullanidae; Nematoda; Persian Gulf; Oman Sea

• Wydawca: -
• Czasopismo: Acta Parasitologica
• Rocznik: 2014
• Tom: 59
• Numer: 2
• Opis fizyczny: p.229-237,fig.,ref.

Twórcy

autor

Moravec F.

• Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic

autor

Khosheghbal M.

• Department of Marine Biology, Faculty of Biological Sciences, Shahid Beheshti University, Tehran, Iran

autor

Pazooki J.

• Department of Marine Biology, Faculty of Biological Sciences, Shahid Beheshti University, Tehran, Iran

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