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  • Title: New observations on philometrid nematodes (Philometridae) in marine fishes from the Northern Gulf of Mexico and the Indian River Lagoon of Florida (Usa), with first description of the male of Caranginema americanum.
    Author: Moravec F, Bakenhaster M.
    Journal: J Parasitol; 2012 Apr; 98(2):398-403. PubMed ID: 22017549.
    Abstract:
    The following 3 species of Philometra Costa, 1845 (Nematoda: Philometridae) were recorded from marine fishes off Florida: Caranginema americanum Moravec, Montoya-Mendoza and Salgado-Maldonado, 2008 from the subcutaneous tissue of the crevalle jack Caranx hippos (Linnaeus) (Carangidae); Philometra charlestonensis Moravec, de Buron, Baker and González-Solís, 2008 from the gonads (ovaries) of the scamp Mycteroperca phenax Jordan and Swain (Serranidae); and Philometra sp. (only subgravid females) from the gonads (ovaries) of the Atlantic needlefish Strongylura marina (Walbaum) (Belonidae). The male of C. americanum , the type species of Caranginema Moravec, Montoya-Mendoza, and Salgado-Maldonado, 2008 , is described for the first time. Its general morphology is similar to that of males of Philometra and Philometroides species. The males of C. americanum are mainly characterized by an elongate body, 3.13-3.28 mm long, a markedly elongate esophagus, and spicules and a gubernaculum 69-75 µm and 48-51 µm long, respectively. The present findings of C. americanum and P. charlestonensis represent new geographical records. The gonad-infecting Philometra sp. from S. marina probably belongs to an undescribed species.
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