Korean J Parasitol.  2017 Apr;55(2):219-224. 10.3347/kjp.2017.55.2.219.

First Report of Clavinema mariae (Nematoda: Philometridae) in Cultured Rockfish, Sebastes schlegeli, in Cheonsuman (Bay), the Republic of Korea

Affiliations
  • 1Pathology Division, National Fisheries Research and Development Institute, Busan 46083, Korea.
  • 2Department of Aquatic Life Medical Sciences, Sunmoon University, Asan 31460, Korea. srkwon@sunmoon.ac.kr

Abstract

In July 2012, philometrid nematodes were discovered in cultured rockfish (Sebastes schlegeli) in Cheonsuman (Bay), the Republic of Korea. The nematodes were detected in the epithelial tissues of the rockfish and were identified as Clavinema mariae based on morphological studies using light and scanning electron microscopy. They revealed the characteristics same as previously identified C. mariae, notably having a long body with narrow posterior half, no caudal projection, a cylindrical-shaped esophagus, a well-developed anterior bulbous part of the esophagus, cephalic papillae, and a dorsal esophageal gland. This is the first confirmation of C. mariae infection in rockfish in Korea.

Keyword

Clavinema mariae; nematode; rockfish; Sebastes schlegeli; Cheonsuman; Korea

MeSH Terms

Esophagus
Korea
Microscopy, Electron, Scanning
Republic of Korea*
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