Some gonad-infecting species of Philometra (Nematoda, Philometridae) from offshore fishes of South Carolina and Georgia, USA, including Philometra charlestonensis sp. nov. from the scamp Mycteroperca phenax |
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Authors: | Frantiek Moravec Isaure de Buron Tiffany G Baker and David González-Solís |
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Institution: | (1) Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic, Branišovská 31, 370 05 České Budějovice, Czech Republic;(2) Department of Biology, College of Charleston, 58 Coming Street, Charleston, South Carolina 29401, USA;(3) Parasitología del Necton, El Colegio de La Frontera Sul (ECOSUR), Unidad Chetumal, Avenida Centenario Km. 5.5, C.P. 77900, A.P. 424, Chetumal, Quintana Roo, Mexico |
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Abstract: | Three gonad-infecting species of Philometra Costa, 1845 were, for the first time, recorded from perciform fishes from estuarine and marine waters in South Carolina and
Georgia, USA: Philometra charlestonensis sp. nov. from the scamp Mycteroperca phenax (Jordan et Swain) (Serranidae), P. saltatrix Ramachandran, 1973 from the bluefish Pomatomus saltatrix (Linnaeus) (Pomatomidae), and Philometra sp. from the Atlantic croaker Micropogonias undulatus (Linnaeus) (Sciaenidae). The new species is characterized mainly by males (body length 2.65–3.14 mm) with equally long, needle-like
spicules (length 132–141 μm) and the gubernaculum (81–93 μm) bearing dorsal transverse lamella-like structures on its distal
portion, the body length of gravid females (168–247 mm), the presence of a well-developed anterior bulbous inflation on the
female oesophagus, and by the length of the first-stage larvae (544–597 μm). A key to gonad-infecting species of Philometra parasitizing marine and brackish-water fishes is provided. |
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Keywords: | Parasitic nematode Philometra fish Mycteroperca Pomatomus Micropogonias Atlantic Ocean South Carolina Georgia USA |
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