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Philometra floridensis sp. n. (Nematoda: Philometridae) from the ovary of red drum Sciaenops ocellatus (Osteichthyes: Sciaenidae) off the coast of Florida, USA

Published online by Cambridge University Press:  07 July 2009

F. Moravec ,
E.J. Fajer-Avila  and
M. Bakenhaster
F. Moravec*
Affiliation:
Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic, Branišovská 31, 370 05České Budějovice, Czech Republic
E.J. Fajer-Avila
Affiliation:
Centro de Investigación en Alimentación y Desarrollo, A. C., Unidad Mazatlán en Acuicultura y Manejo Ambiental, Av. Sábalo Cerritos s/n, C.P. 82010Mazatlán, Sinaloa, México
M. Bakenhaster
Affiliation:
Fish and Wildlife Research Institute, Florida Fish and Wildlife Conservation Commission, 100 Eighth Avenue Southeast, St. Petersburg, Florida33701, USA
*
*Fax: +420 38 5310388 E-mail: moravec@paru.cas.cz
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Abstract

A new nematode species, Philometra floridensis sp. n. (Philometridae), is described from male and female specimens found in the ovary of red drum, Sciaenops ocellatus (Linnaeus) (Sciaenidae, Perciformes), from the Gulf of Mexico off Treasure Island, Florida, USA. Based on light and scanning electron microscopy examination, the new species differs from most other gonad-infecting Philometra spp. in having a smooth gubernaculum with a distinct dorsal tooth on the distal tip. The new species is most similar to P. carolinensis Moravec, de Buron & Roumillat, 2006, but differs in length and shape of spicules. It can be distinguished from P. carolinensis and other species with unknown males, by the markedly greater body length of gravid females (up to about 100 cm). Philometra floridensis is the third valid gonad-infecting species of Philometra reported from sciaenids.

Type
Research Papers
Information
Journal of Helminthology , Volume 84 , Issue 1 , March 2010 , pp. 49 - 54
Copyright
Copyright © Cambridge University Press 2009

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