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http://dx.doi.org/10.5657/KFAS.2013.0594

First Morphological Description of Ophichthus asakusae (Ophichthidae: Anguilliformes) Leptocephali Collected from the Waters South of Jeju Island  

Ji, Hwan-Sung (Fisheries Resources Management Division, National Fisheries Research and Development Institute)
Choi, Jung Hwa (Fisheries Resources Management Division, National Fisheries Research and Development Institute)
Choi, Kwang Ho (Fisheries Resources Management Division, National Fisheries Research and Development Institute)
Lee, Dong Woo (Fisheries Resources Management Division, National Fisheries Research and Development Institute)
Kim, Jin-Koo (Department of Marine Biology, Pukyong National University)
Publication Information
Korean Journal of Fisheries and Aquatic Sciences / v.46, no.5, 2013 , pp. 594-597 More about this Journal
Abstract
Two leptocephali [total length (TL) 68.2-80.5 mm] from the family Ophichthidae, collected from the waters south of Jeju Island, Korea, were identified using morphology. The two ophichthid leptocephali were identified as belonging to the genus Ophichthus based on morphological characters: 131-132 myomeres; nine gut swellings; dorsal fin origin above the middle of the body; five postanal pigments present from the anus to the caudal margin. Ultimately, both leptocephali were identified as Ophichthus asakusae, as the total number of myomeres was consistent with those of adult O. asakusae. Here, we first describe the morphological characteristics of the O. asakusae leptocephalus, and suggest diagnostic characters for leptocephali belonging to the genus Ophichthus.
Keywords
Leptocephali; Ophichthidae; Ophichthus asakusae; Morphological characters; Identification;
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