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New Record of a Worm Eel Muraenichthys gymnopterus (Anguilliformes: Ophichthidae: Myrophinae) from Korea  

Kim, Byung-Gi (Department of Ocean Science, College of Natural Sciences, Inha University)
Jeong, Choong-Hoon (Research Center for Coastal Environments of Yellow Sea, Inha University)
Han, Kyung-Nam (Department of Ocean Science, College of Natural Sciences, Inha University)
Publication Information
Korean Journal of Ichthyology / v.20, no.4, 2008 , pp. 318-323 More about this Journal
Abstract
A single specimen of the ophichthid Muraenichthys gymnopterus (254.6 mm TL) was collected from the middle Yellow Sea off Incheon, Korea. It represents the first record of the species, the genus, and the subfamily from Korea. This species is characterized by the following combination of characters: a constricted midlateral gill opening; dorsal fin origin before anus, closer to the anus than to the gill opening; blunt teeth, jaw teeth in bands, and multiserial dentition; third preopercular pore present; single infraorbital pore between anterior and posterior nostrils; brownish colour; depth and width of gill opening 43.2 times and 33.7~65.3 times in total length, respectively; eye diameter 15.0~31.0 times in head length and total vertebrae 154~161. New Korean names are proposed, "Gaet-mul-baem-a-gwa" for the subfamily Myrophinae, "Gaet-mul-baem-sok" for the genus Muraenichthys, and "Gaet-mul-baem" for M. gymnopterus.
Keywords
Ophichthidae; Myrophinae; Muraenichthys gymnopterus; first record; Korea;
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