ABSTRACT The annual reproductive cycle of the Indo-Pacific tellinid clam Heteromacoma irus (Hanley, 1845) was investigated, using histology, for the first time in this study.
KEY WORDS: tellinid, Heteromacoma irus, annual gametogenesis, histology, condition index, Jeju, Korea
The tellinid clam Heteromacoma irus Hanley 1845 (=Fragilia yantaiensis Vrosse & Debeaux 1863; Lucina corrugate Dunker 1882) is an Indo-Pacific species widely distributed in the western Pacific, from southern Hokkaido Japan to Hong Kong (Morton 1983, Bernard et al.
irus population inhabiting a rocky intertidal area on the northern coast of Jeju Island, Korea.
irus was analyzed with monthly changes in reproductive stages and oocyte growth (Kang et al.
irus in northern Jeju was found to be 1.29 (female):l (male).