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Camallanus maculatus n. sp. (Nematoda: Camallanidae) in an ornamental fish Xiphophorus maculatus (Osteichthyes: Poeciliidae) cultivated in São Paulo State, Brazil
Martins, M. L; Garcia, F; Piazza, R. S; Ghiraldelli, L.
  • Martins, M. L; UFSC. Departamento de Aqüicultura. Florianópolis. BR
  • Garcia, F; APTA. Instituto de Pesca. Votuporanga. BR
  • Piazza, R. S; UFSC. Departamento de Aqüicultura. Florianópolis. BR
  • Ghiraldelli, L; UFSC. Departamento de Aqüicultura. Florianópolis. BR
Arq. bras. med. vet. zootec ; 59(5): 1224-1230, out. 2007. ilus, tab
Article in English | LILACS | ID: lil-471205
ABSTRACT
The present study describes Camallanus maculatus n. sp. (Nematoda: Camallanidae) from Xiphophorus maculatus (Osteichthyes: Poecilidae) collected in an ornamental fish farm in São Paulo State, Brazil. Thirty-three out of 40 examined fish were parasitized (82 percent prevalence) with mean intensity of 2.8 (1-20). Male specimens were 3,500µm total length and females 7,100µm total length, provided with orange-brown buccal capsule and two developed tridents. Males showed two unequal spicules, gubernaculum absent and females with vulva situated in the middle of the body. The main characteristics were the sleekly longitudinal ridges in the buccal capsule in both sexes, enlargement at the anterior end of the smaller spicule, the number of genital papillae, longer muscular and glandular portion of esophagus and round tail in female
RESUMO
Descreve-se Camallanus maculatus n. sp. (Nematoda: Camallanidae) em Xiphophorus maculatus (Osteichthyes: Poecilidae) capturado em uma piscicultura ornamental no estado de São Paulo. De 40 peixes examinados, 33 estavam parasitados (prevalência de 82 por cento) cuja intensidade média foi de 2,8 (1-20). Os machos apresentaram 3.500µm e as fêmeas com 7,100µm de comprimento total, providos de uma cápsula bucal laranja-castanho e dois tridentes. Observaram-se machos com espículos desiguais, gubernáculo ausente e fêmeas com vulva situada na metade do corpo. As principais características foram as estrias longitudinais lisas em cada valva da cápsula bucal em ambos os sexos, o espículo menor com alargamento na extremidade anterior, o número de papilas genitais, as porções muscular e glandular do esôfago longas e a cauda longa e arredondada na fêmea
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Cyprinodontiformes / Prevalence / Camallanina / Fishes / Nematoda Type of study: Prevalence study / Risk factors Limits: Animals Country/Region as subject: South America / Brazil Language: English Journal: Arq. bras. med. vet. zootec Journal subject: Veterinary Medicine Year: 2007 Type: Article Affiliation country: Brazil Institution/Affiliation country: APTA/BR / UFSC/BR

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Full text: Available Index: LILACS (Americas) Main subject: Cyprinodontiformes / Prevalence / Camallanina / Fishes / Nematoda Type of study: Prevalence study / Risk factors Limits: Animals Country/Region as subject: South America / Brazil Language: English Journal: Arq. bras. med. vet. zootec Journal subject: Veterinary Medicine Year: 2007 Type: Article Affiliation country: Brazil Institution/Affiliation country: APTA/BR / UFSC/BR