“…The sea cucumber, Apostichopus japonicus , has become an important aquaculture species in Japan and China (Han, Keesing, & Liu, ), and aquaculture methods for it have been studied intensively (Ju, Jiang, Xing, Chen, & Teng, ; Liu et al, ; Wen et al, ). In Japan, the annual sea cucumber catch is 7,000–10,000 tons (wet weight) and it has been increasing in response to a growing demand for dried sea cucumber products for export to China (Fujiwara, Yamano, Ohno, & Yoshikuni, ).…”