First record of the East Asian fourfinger threadfin, Eleutheronema rhadinum (Jordan & Evermann, 1902), from Zhenjiang, China Author Zhong, Liqiang Author Wang, Jiang Author Wang, Minghua Author Li, Daming Author Tang, Shengkai Author Chen, Xiaohui text Cybium 2019 2019-02-01 43 2 209 211 http://dx.doi.org/10.26028/cybium/2019-423-010 journal article 291979 10.26028/cybium/2019-423-010 31ca9502-3565-41a2-84e2-7741f3e98edc 2101-0315 10493369 RESULTS The specimen is 219.6 mm of standard length, and 273.1 mm of total length. The pectoral fin membranes are black ( Fig. 2 ). Adipose eyelid is well developed. Main morphometric parameters are presented in table Ⅰ. Anterior part of lower jaw display small teeth extending onto lateral surface, adjacent portion of lip absent ( Fig. 3 ). Teeth are villiform in broad bands on vomer, palatines and ectopterygoids. Vomer has deciduous tooth plates on both sides. The specimen was easily identified as E. rhadinum due to its pectoral filaments, pored lateral-line scales, and scale rows above and below lateral line. The distinctive characters agree with those given by and Motomura (2004) , and Ni and Wu (2006).