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2012 | 57 | 3 |
Tytuł artykułu

A new species of Colobomatus (Copepoda, Phylichthyidae) parasitic on Mullus argentinae (Perciformes, Mullidae) from South American Atlantic coast

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EN
Abstrakty
EN
A new species of Colobomatus Hesse, 1873 is described from pores of the cephalic sensory system and nostrils of Argentine goatfish, Mullus argentinae Hubbs et Marini, 1933 (Perciformes: Mullidae), living along the southwestern Atlantic coast. The fish were collected at different latitudes, stretching from the State of Rio de Janeiro in the north, through Santa Catarina, Rio Grande do Sul (Brazil) to of Mar del Plata (Argentina) in the south. The prevalence of the infection ranged from 42% through 84%. The new species look alike to two other species, parasites of mullids (C. steenstrupi and C. mulli) particularly in the body shape and the number, shape, and ornamentation of cephalic, thoracic, and genital processes. The new species, however, can be readily distinguished by having the central cephalic process shorter than lateral ones, the later being bilobed at tip forked, and a relatively larger abdomen. Furthermore, C. steenstrupi possesses relatively wider trunk processes with rounded tips, a short abdominal dorsal process, and attains a larger size (up to 3.6 mm). C. mulli also differs by having all body processes with forked tips, and relatively shorter sixth thoracic somite and abdominal segments 1–3. This is the third record of a species of Colobomatus in South American Atlantic waters.
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Czasopismo
Rocznik
Tom
57
Numer
3
Opis fizyczny
p.323-328,fig.,ref.
Twórcy
autor
  • Curso de Pos-Graduacao em Ciencias Veterinarias and Departamento de Parasitologia Animal, Universidade Federal Rural do Rio de Janeiro, Caixa Postal 74.508, CEP 23851-970, Seropedica, RJ, Brasil
autor
autor
Bibliografia
  • Bush A.O., Lafferty K.D., Lotz J.M., Shostak A.W. 1997. Parasitology meets ecology on its own terms: Margolis et al. revisited. Journal of Parasitology, 83, 575–583. DOI: 10.2307/3284227.
  • Essafi K., Raibaut A., Boudaoud-Krissat K. 1983. Colobomatus steenstrupi (Richiardi, 1876) and Colobomatus mulli n. sp. (Copepoda: Philichthyidae), parasitic on fish of the genus Mullus (Mullidae) in the western Mediterranean. Systematic Parasitology, 5, 135–142. DOI: 10.1007/BF00049240.
  • Grabda J., Linkowski K. 1978. Colobomatus gymnoscopeli sp. n. (Copepoda: Phylichthyidae) a parasite of lateral sensory canals. Acta Ichtyologica et Piscatoria, 7, 91–110.
  • Hayward C.J. 1996. Copepods of the genus Colobomatus (Poecilostomatoida: Philichthyidae) from fishes of the family Sillaginidae (Teleostei: Perciformes). Journal of Natural History, 30, 1779–1798.
  • Lanfranchi A.L., Rossin M.A., Timi J.T. 2009. Parasite infracommunities of a specialised marine fish species in a compound community dominated by generalist parasites. Journal of Helminthology, 83, 373–378. DOI: 10.1017/S0022149X09390069.
  • Luque J.L., Tavares L.E.R. 2007. Checklist of Copepoda associated with fishes from Brazil. Zootaxa, 1579, 1–39.
  • Luque J.L., Porrozzi F., Alves D.R. 2002. Community ecology of the metazoan parasites of argentine goatfish, Mullus argentinae (Osteichthyes: Mullidae), from the coastal zone of the state of Rio de Janeiro, Brazil. Revista Brasileira de Parasitologia Veterinaria, 11, 33–38.
  • Romero R.C., Muñoz G. 2011. Two new species of Colobomatus (Copepoda, Phylichthyidae) parasitic on coastal fishes in Chilean waters. Crustaceana, 84, 385–400. DOI: 10.1163/001121611X555417.
Typ dokumentu
Bibliografia
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