![]() The male of this species was found to possess minute deirids in the cervical region, which is quite exceptional within the Philometridae. Philometra aenei is mainly characterised by the length of conspicuously distended spicules (108-123 µm), the presence of a distinct dorsal barb at the middle region of the gubernaculum and a distinct protuberance consisting of two dorsolateral lamellar parts separated from each other by a smooth median field at its distal tip, a V-shaped mound on the male caudal extremity and by the body length of the males (2.34-3.05 mm). ![]() Identification of both fish hosts was confirmed by barcoding of the infected fish specimens. ![]() ![]() (Perciformes Serranidae), in the Mediterranean Sea off Tunisia (near Sfax): Philometra aenei n. Based on light and electron microscopical studies of males and mature females, two new gonad-infecting species of Philometra Costa, 1845 (Nematoda: Philometridae) are described from the ovary of groupers, Epinephelus spp.
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