Philometrid nematodes infecting fishes from the Everglades National Park, Florida, USA, with description of two new species

Moravec, František; Bakenhaster, Micah D.

doi:10.14411/fp.2010.028

Cited by 24 publications

(10 citation statements)

References 23 publications

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“…The following species of Philometroides are known as parasites of marine and brackish-water fishes: P. atropi (Parukhin, 1966), P. branchiostegi Moravec, Nagasawa et Nohara, 2012, P. denticulatus Rasheed, 1965, P. grandipapillatus Moravec et Bakenhaster, 2010, P. indonesiensis Moravec, Walter et Yuniar, 2012, P. marinus Moravec et de Buron, 2009, P. oveni Parukhin, 1975, P. paralichthydis Moravec et de Buron, 2006, P. seriolae (Ishii, 1931 and P. trichiuri Moravec, Walter et Yuniar, 2012; except for P. indonesiensis and P. paralichthydis, they are all parasites of Perciformes (see Moravec 2006;Moravec and de Buron 2009;Moravec and Bakenhaster 2010;Moravec et al 2012a, b). All these species differ distinctly from Philometroides acanthopagri sp.…”

Section: Discussionmentioning

confidence: 99%

Philometroides acanthopagri sp. nov., a new philometrid (Nematoda, Philometridae) from the musculature of Acanthopagrus latus (Sparidae) from marine waters of Iraq

Moravec

Jassim

Al-Salim

2012

Acta Parasitologica

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A new nematode species, Philometroides acanthopagri sp. nov. (Philometridae), is described from gravid and subgravid specimens found in the musculature near pectoral fins and in nasal cavity of the yellowfin seabream Acanthopagrus latus (Houttuyn) (Sparidae, Perciformes) from marine waters off the coast of southern Iraq. Based on light and scanning electron microscopical examination, the new species differs from its congeners in a combination of morphological and biometrical features. It is the first species of Philometroides reported from a sparid fish and the first representative of this genus recorded from fishes in the Arabian Gulf. A key to Philometroides species parasitizing marine and brackish-water fishes is provided.

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Section: Discussionmentioning

confidence: 99%

Philometroides acanthopagri sp. nov., a new philometrid (Nematoda, Philometridae) from the musculature of Acanthopagrus latus (Sparidae) from marine waters of Iraq

Moravec

Jassim

Al-Salim

2012

Acta Parasitologica

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“…Both P. grandipapillatus and P. paralichthydis, parasites of the subcutaneous tissues of carangidae and Paralichthyidae, respectively, in the region of the northern West Atlantic, are easily distinguishable from the new species by the presence of transversely elongate (oval) (vs. circular) cuticular bosses, the absence of caudal projections and by the character of external cephalic papillae de Buron 2006, Moravec andBakenhaster 2010). the distinctions between P. branchiostegi and congeneric species parasitizing freshwater fishes are evident from the key to Philometroides spp.…”

Section: Male: Unknown T Y P E H O S T : Horsehead Tilefish Branchiomentioning

confidence: 91%

“…By the general morphology, in particular the presence of numerous irregularly scattered cuticular bosses on the body of gravid female, the specimen of the present material may be assigned to the philometrid genus Philometroides (see rasheed 1963rasheed , Moravec 2006. Moravec and Bakenhaster (2010) reported 26 valid species in this genus. Most species of Philometroides were described only from females, whereas conspecific males are known for eight species.…”

Section: Male: Unknown T Y P E H O S T : Horsehead Tilefish Branchiomentioning

confidence: 99%

“…the following species of Philometroides are known as parasites of marine and brackish-water fishes: P. atropi (Parukhin, 1966), P. denticulatus rasheed, 1965, P. grandipapillatus Moravec et Bakenhaster, 2010, P. marinus Moravec et de Buron, 2009, P. oveni Parukhin, 1975, P. paralichthydis Moravec et de Buron, 2006 andP. seriolae (Ishii, 1931); except for P. paralichthydis, they are all parasites of Perciformes (see Moravec 2006, Moravec and de Buron 2009, Moravec and Bakenhaster 2010.…”

Section: Male: Unknown T Y P E H O S T : Horsehead Tilefish Branchiomentioning

confidence: 99%

“…seriolae (Ishii, 1931); except for P. paralichthydis, they are all parasites of Perciformes (see Moravec 2006, Moravec and de Buron 2009, Moravec and Bakenhaster 2010. of them, P. denticulatus and P. seriolae, parasites of the body cavity or musculature of Haemulidae, sciaenidae or Carangidae in the Indian or North Pacific Oceans, differ markedly from the new species in having much longer gravid females (250-320 and up to 600, respectively, vs. about 18 mm); the former species also by the presence of three oesophageal teeth protruding out of the mouth aperture, whereas the latter by the embossment of cuticle extending up to the anterior extremity (Moravec et al 1998).…”

Section: Male: Unknown T Y P E H O S T : Horsehead Tilefish Branchiomentioning

confidence: 99%

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Two species of philometrid nematodes (Philometridae) from marine fishes off Japan, including Philometroides branchiostegi sp. n. from Branchiostegus japonicus (Malacanthidae)

Moravec¹,

Nagasawa²,

Nohara³

2012

FOLIA PARASIT

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Nematodes of the family Philometridae Baylis et Daubney, 1926 include a large number of species parasitic in the body cavity and various body tissues of fishes (Moravec 2006). to date, 26 species of these parasites have been reported from marine and freshwater fishes in Japanese waters, including representatives of the genera Clavinema Yamaguti, 1935, Philometra costa, 1845 and Philometroides Yamaguti, 1935(ishii 1916a,b, 1931, Yamaguti 1935, 1941, 1961, Fujita 1940, Machida 1970, Moravec and Nagasawa 1989, Moravec et al. 1998, 2002, Nagasawa 2008, Quiazon et al. 2008a. However, it can be expected that the Japanese fauna of philometrids, particularly of those parasitizing marine fishes, is still little known and most species have not yet been discovered.During recent investigations into the parasites of some marine fishes from the Sea of Japan, off the coast of Japan, gravid female specimens of philometrid nematodes were collected from the yellow goby Acanthogobius flavimanus (temminck et schlegel), Pterogobius elapoides (günther) and Pterogobius zonoleucus Jordan et snyder (all gobiidae, Perciformes), and from the horsehead tilefish Branchiostegus japonicus (Houttuyn) (Malacanthidae, Perciformes). Taxonomic evaluation of this nematode material is presented in this paper.Acanthogobius flavimanus (maximum size 30 cm) is a commercial temperate marine, brackish and freshwater fish occurring mainly along the shore of bays and estuaries, distributed in Japan, Korea and siberia. two other gobiids, P. elapoides (maximum size 8.3 cm) and P. zonoleucus (maximum size 6.7 cm), are small temperate marine fishes occurring near rocky shores, distributed in the Northwest Pacific (P. elapoides from central Japan and Korea to Hong Kong, P. zonoleucus in Japan and the Korean Peninsula). Branchiostegus japonicus (maximum size 46 cm) is a commercial tropical marine fish, distributed in the western Pacific from central Honshu to the south china sea, also reported as far south as the Arafura sea (Froese and Pauly 2011). Materials and MethodsFour specimens of Pterogobius elapoides were sampled during scUBA diving in the southern sea of Japan, off sekumi (35°33′N, 135°50′E) 3 school of Marine science and technology, tokai University, 3-20-1 orido, shimizu, shizuoka 424-8610, Japan abstract: Gravid females of two species of philometrid nematodes (Philometridae) were collected from marine perciform fishes in Japanese waters, mainly from the southern Sea of Japan. Based on light microscopy and scanning electron microscopy examinations, the previously described but poorly known species Philometra cryptocentri Yamaguti, 1961 is redescribed from specimens recovered from the abdominal cavity of Acanthogobius flavimanus (temminck et schlegel), Pterogobius elapoides (günther) and P. zonoleucus Jordan et Snyder (all Gobiidae) (all new host records); the number (14) and arrangement of cephalic papillae in this species are described for the first time. The new species, Philometroides branchiostegi sp. n. from head tissues of Branchiostegus japo...

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Use of molecular tools in identification of philometrid larvae in fishes: technical limitations parallel our poor assessment of their biodiversity

et al. 2011

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The usefulness of the polymerase chain reaction with restriction fragment length polymorphism (PCR-RFLP) and partial sequencing of the cytochrome oxidase I (COI) gene was tested regarding the utility of these techniques in unraveling philometrid life cycles and, in particular, to determine putative paratenic host species. Our focus was to study three species of philometrids commonly found in the estuaries of South Carolina: Philometroides paralichthydis and Philometra overstreeti from the southern flounder, Paralichthys lethostigma and Philometra carolinensis from the spotted seatrout, Cynoscion nebulosus. A total of 473 fish in 19 species known to be potential prey of the spotted seatrout and the southern flounder were dissected. Of all nematode larvae found in the mesenteries of 53 fish of 10 species, 21 specimens were determined to be philometrids using PCR. The use of PCR-RFLP allowed the identification of larvae of P. carolinensis and P. overstreeti in the freshwater goby, Ctenogobius shufeldti, and P. overstreeti in mummichog, Fundulus heteroclitus. However, 12 RFLP profiles could not be matched to control species, thus demonstrating the limitation of this technique in areas where diversity of philometrids is not well known and higher than anticipated. Similarly, COI procedures provided unknown sequences that did not match those of nine philometrid species used as controls. We concluded that although both techniques showed some usefulness and promise, at this point, however, they demonstrate the need of increasing our knowledge of marine and estuarine philometrid biodiversity.

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Philometrid nematodes infecting fishes from the Everglades National Park, Florida, USA, with description of two new species

Cited by 24 publications

References 23 publications

Philometroides acanthopagri sp. nov., a new philometrid (Nematoda, Philometridae) from the musculature of Acanthopagrus latus (Sparidae) from marine waters of Iraq

Philometroides acanthopagri sp. nov., a new philometrid (Nematoda, Philometridae) from the musculature of Acanthopagrus latus (Sparidae) from marine waters of Iraq

Two species of philometrid nematodes (Philometridae) from marine fishes off Japan, including Philometroides branchiostegi sp. n. from Branchiostegus japonicus (Malacanthidae)

Use of molecular tools in identification of philometrid larvae in fishes: technical limitations parallel our poor assessment of their biodiversity

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