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Trichodina nobilis Chen, 1963 and Trichodina reticulata Hirschmann et Partsch, 1955 from ornamental freshwater fishes in Brazil / Trichodina nobilis Chen, 1963 e Trichodina reticulata Hirschmann et Partsch, 1955 de peixes ornamentais de água doce no Brasil
Martins, ML; Marchiori, N; Roumbedakis, K; Lami, F.
  • Martins, ML; Federal University of Santa Catarina. Laboratory of Aquatic Organisms Health, Aquaculture Department. Florianópolis. BR
  • Marchiori, N; Federal University of Santa Catarina. Laboratory of Aquatic Organisms Health, Aquaculture Department. Florianópolis. BR
  • Roumbedakis, K; Federal University of Santa Catarina. Laboratory of Aquatic Organisms Health, Aquaculture Department. Florianópolis. BR
  • Lami, F; Federal University of Santa Catarina. Laboratory of Aquatic Organisms Health, Aquaculture Department. Florianópolis. BR
Braz. j. biol ; 72(2): 281-286, May 2012.
Article in English | LILACS | ID: lil-639436
ABSTRACT
In the present work Trichodina reticulata and T. nobilis (Ciliophora Trichodinidae) are morphologically characterised from ornamental freshwater fish culture in the State of Santa Catarina, Brazil. The prevalence of infection and a list of comparative measurements are discussed. We examined "southern platyfish" Xiphophorus maculatus (n = 35), "goldfish" Carassius auratus (n = 31), "guppy" Poecilia reticulata (n = 20), "sailfin molly" Poecilia latipinna (n = 6), "beta" Betta splendens (n = 2) and "spotted headstander" Chilodus punctatus (n = 1). After being anesthetised in a benzocaine solution, fishes were examined for parasitological evaluation. A total of 51.57% fishes were parasitised by Trichodina spp. Carassius auratus was the most parasitised species, followed by X. maculatus and P. reticulata. Beta splendens, C. punctatus and P. latipinna were not parasitised by any trichodinid species. Two species of Trichodina were collected from the skin of fish T. nobilis was found in C. auratus, P. reticulata and X. maculatus and T. reticulata was only observed in C. auratus. The importance of adequate handling in ornamental fish culture are also discussed.
RESUMO
No presente trabalho Trichodina reticulata e T. nobilis (Ciliophora Trichodinidae) de peixes ornamentais de água doce cultivados no estado de Santa Catarina, Brasil são caracterizadas morfologicamente. A prevalência de infecção e uma lista comparative de medidas são discutidas. Foram examinados "platis" Xiphophorus maculatus (n = 35), "kinguios" Carassius auratus (n = 31), "guppys" Poecilia reticulata (n = 20), "molinésias" Poecilia latipinna (n = 6), "betas" Betta splendens (n = 2) e "espada" Chilodus punctatus (n = 1). Após a anestesia com solução de benzocaína, os peixes foram submetidos à avaliação parasitológca. Um total de 51,57% peixes estavam parasitados por Trichodina spp. Carassius auratus foi a espécie mais parasitada, seguida por X. maculatus e P. reticulata. Beta splendens, C. punctatus e P. latipinna não estavam parasitados por tricodinídeos. Duas species de Trichodina foram coletadas da superfície corporal dos peixes T. nobilis foi encontrada em C. auratus, P. reticulata e X. maculatus e T. reticulata foi observada apenas em C. auratus. A importância do manejo adequado em cultivos de peixes ornamentais também foi discutida.
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Full text: Available Index: LILACS (Americas) Main subject: Oligohymenophorea / Ciliophora Infections / Aquaculture / Fish Diseases / Fishes Type of study: Diagnostic study / Risk factors Limits: Animals Country/Region as subject: South America / Brazil Language: English Journal: Braz. j. biol Journal subject: Biology Year: 2012 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Santa Catarina/BR

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Full text: Available Index: LILACS (Americas) Main subject: Oligohymenophorea / Ciliophora Infections / Aquaculture / Fish Diseases / Fishes Type of study: Diagnostic study / Risk factors Limits: Animals Country/Region as subject: South America / Brazil Language: English Journal: Braz. j. biol Journal subject: Biology Year: 2012 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Santa Catarina/BR