Figure 1.
Map showing the relative abundances of A. japonica and A. marmorata in East Asia.
The sampling locations of the glass eels are indicated by asterisks. No. 1: Yakushima Is., n = 2050 (Yamamoto et al., 2001); No. 2: Danshui R., n = 2547; No. 3: Yilan R., n = 3279; No. 4: Tungkang R., n = 673; No. 5: Siouguluan R., n = 7170; No. 6: Cagayan R., n = 1974 (Tabeta et al., 1976); No. 7: Cagayan area., n = 2075; No. 8: Buayan R., n = 552; No. 9: Manado, n = 350; No. 10: Poigar R., n = 4997 (Arai et al., 1999).
Table 1.
Primers used for eel species identification.
Table 2.
Collection date, location, and numbers of A. marmorata and A. japonica specimens.
Figure 2.
Catch numbers of A. japonica (A) and A. marmorata (B) glass eels in spring (March–May), summer (June–August), autumn (September–November), and winter (December–February).
DS: Danshui R.; YL: Yilan R.; DG: Donggang R.; SL: Siouguluan R.
Table 3.
Survival rate (%) of A. marmorata at different water temperatures (5°C, 10°C, 15°C, or 20°C) and salinity (0%, 50%, or 100% seawater).
Figure 3.
Map showing the mean SST images of the East Asian continental shelf in summer (July 2009) (A) and winter (January 2010) (B).
The image was obtained using the National Oceanic and Atmospheric Administration AVHRR sensor data.
Figure 4.
Maps showing the oceanic currents and geographical distributions of A. japonica and A. marmorata in East Asia.
Oceanic and coastal currents in summer (June–August), and the distribution of A. marmorata (bold lines) in East Asia were shown in (A). Oceanic and coastal currents in winter (December–February), and the distribution of A. japonica (bold lines) in East Asia were shown in (B). CDW: Changjiang Diluted Water; SCSW: South China Sea Water; TSWC: Taiwan Strait Warm Current; TWC: Taiwan Warm Current; JWC: Jeju Warm Current; TsWC: Tsushima Warm Current; YSWC: Yellow Sea Warm Current; WKCC: Western Korea Cold Current.
Figure 5.
Water temperature preferences for A. japonica and A. marmorata recruitments.