• Title/Summary/Keyword: Neobrachiella robusta

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Distribution of Trochopus australis and Neobrachiella robusta in Gills of Darkblotched Rockfishes, Sebastes crameri (볼락류 Sebastes crameri 아가미에서 검출된 단생흡충류인 Trochopus australis와 요각류인 Neobrachiella robusta의 분포도)

  • Chun, Kae-Shik
    • Journal of Environmental Health Sciences
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    • v.29 no.2
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    • pp.77-79
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    • 2003
  • Seventeen metazoan parasites were recovered from Sebastes crameri collected from Newport fish market. Nine Trochopus australis and 8 Neobrachiella robusta were found on gill arches of canary rockfishes. The commonest sites of metazoan parasites were the posterodorsal region and second gill arches of Sebastes crameri. T. australis were most commonly found on the second gill arches, but in N. robusta. the first gill arches were the most frequented position. No N. robusta were discovered on the fourth gill arch. Metazoan parasites infected gill arches I, II, and posterodorsal regions of S. crameri, occurring less frequently on the gill arches III, IV anteriorventral and middle regions.

Study on the Copepod Ectoparasites of Sebastes melanops (Girard) and Sebastes crameri (Jordan) in Aquarium

  • Chun, Kae-Shik
    • Korean Journal of Environmental Biology
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    • v.21 no.4
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    • pp.366-367
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    • 2003
  • Nineteen rockfishes representing two species in the family Scorpaenidae were collected from Oregon Coast Aquarium in July 2003 and examined for parasitic copepods. The parasitic copepods were taken from the gills of Sebastes crameri and fins of S. melanops. With regard to the prevalence of copepod 22.2% of the fishes were infected by C. uncinata, and 30.0% by N. robusta. Intensity of infections of Clavella uncinata to Sebastes melanops, showed a range of 4 to 6 with a mean of 5.0 per fish while Neobrachiella robusta to S. crameri was 1 to 6 with a mean of 2.7.

Metazoan Parasites Observed in Darkblotched Rockfish, Sebastes crameri (Jordan) in Newport Fish Market

  • Chun, Kae-Shik
    • Korean Journal of Environmental Biology
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    • v.20 no.4
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    • pp.309-311
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    • 2002
  • A total of ten specimens of darkblotched rockfish, Sebastes crameri obtain-ed from Newport fish market were examined for parasites during February, 2002. Eight out of ten S. crameri were found to be infected with metazoan parasites. They were flatworm Trochopus australis, nematoda Anisakis simplex, and copepods Neobrachiella robusta and Chondracanthus triventricosus. Nine (30.0%) T. australis, seven (30.0%) N. robusta, one (10.0%) C. triventricosus and seven (60.0%) A. simplex were infected. Among them, A. simplex was the most abundant and prevalent metazoan parasites in S. crameri. T. australis and N. robsta were found in gills with moderate intensity (1.7 and 1.9, respectively), and C. triventricosus in dorsal fin with low intensity (0.3).