Sampling location of 31 endemic species among major rivers of Korea on Korean map (white arrow heads) and satellite map (white arrows). Hantan river (a); Imjin river (b); Han river (c); Kum river (d); Youngsan river (e); and Nakdong river (f). Adapted from Goo et al. (2018) with CC-BY-NC.

Sampling location of 31 endemic species among major rivers of Korea on Korean map (white arrow heads) and satellite map (white arrows). Hantan river (a); Imjin river (b); Han river (c); Kum river (d); Youngsan river (e); and Nakdong river (f). Adapted from Goo et al. (2018) with CC-BY-NC.

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The main purpose of the current study was to obtain nuclear DNA content data among the representatives of the families and subfamilies of 31 endemic fishes that inhabit river of Korea. DNA contents of 31 endemic species were observed to rang from 1.5 to 4.8 pg DNA/nucleus. In Cyprinidae, DNA content of Abbottina springeri (1.5±0.03 pg DNA/nucleus)...

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... June 2019, samples of 31 endemic species (16 Cyprinidae, 13 Cobitidae, 1 Cottidae, and 1 Amblycipitidae) were trapped in the Hantan River (Fig. 1a: Gomun-ri,Yeoncheon-eup, Safety (Law No. 1601), including the Research Ethics of the Korea Maritime & Ocean University (KMOU), Korea. Yeoncheon-gun, Gyeonggi-do, Korea [38° 03′ 41.29″ N, 127° 07′ 20.80″ E]), Imjin River ( Fig. 1b: Wondang-ri, Jangnam-myeon, Yeoncheon-gun, Gyeonggi-do, Korea [37° 57′ 57.82″ N, 126° 53′ 15.11″ E]), Han ...
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... 31 endemic species (16 Cyprinidae, 13 Cobitidae, 1 Cottidae, and 1 Amblycipitidae) were trapped in the Hantan River (Fig. 1a: Gomun-ri,Yeoncheon-eup, Safety (Law No. 1601), including the Research Ethics of the Korea Maritime & Ocean University (KMOU), Korea. Yeoncheon-gun, Gyeonggi-do, Korea [38° 03′ 41.29″ N, 127° 07′ 20.80″ E]), Imjin River ( Fig. 1b: Wondang-ri, Jangnam-myeon, Yeoncheon-gun, Gyeonggi-do, Korea [37° 57′ 57.82″ N, 126° 53′ 15.11″ E]), Han River ( Fig. 1c: Haengjue-dong, Deokyang-gu, Goyang-city, Gyeonggi-do, Korea [37° 35′ 31.13″ N, 126° 49′ 09.56″ E]), Kum River ( Fig. 1d: Seochang-ri, Gyeonggi-do, Korea [37° 35′ 31.13″ N, 126° 49′ 09.56″ E]), Yongsan River ( Fig. ...
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... 1a: Gomun-ri,Yeoncheon-eup, Safety (Law No. 1601), including the Research Ethics of the Korea Maritime & Ocean University (KMOU), Korea. Yeoncheon-gun, Gyeonggi-do, Korea [38° 03′ 41.29″ N, 127° 07′ 20.80″ E]), Imjin River ( Fig. 1b: Wondang-ri, Jangnam-myeon, Yeoncheon-gun, Gyeonggi-do, Korea [37° 57′ 57.82″ N, 126° 53′ 15.11″ E]), Han River ( Fig. 1c: Haengjue-dong, Deokyang-gu, Goyang-city, Gyeonggi-do, Korea [37° 35′ 31.13″ N, 126° 49′ 09.56″ E]), Kum River ( Fig. 1d: Seochang-ri, Gyeonggi-do, Korea [37° 35′ 31.13″ N, 126° 49′ 09.56″ E]), Yongsan River ( Fig. 1e: Sinhak-ri, Sihong-myeon, Yeongam-gun, Jeollanam-do, Korea [34° 48′ 35.44″ N, 126° 36′ 17.67″ E]), and Nakdong River ( ...
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... (KMOU), Korea. Yeoncheon-gun, Gyeonggi-do, Korea [38° 03′ 41.29″ N, 127° 07′ 20.80″ E]), Imjin River ( Fig. 1b: Wondang-ri, Jangnam-myeon, Yeoncheon-gun, Gyeonggi-do, Korea [37° 57′ 57.82″ N, 126° 53′ 15.11″ E]), Han River ( Fig. 1c: Haengjue-dong, Deokyang-gu, Goyang-city, Gyeonggi-do, Korea [37° 35′ 31.13″ N, 126° 49′ 09.56″ E]), Kum River ( Fig. 1d: Seochang-ri, Gyeonggi-do, Korea [37° 35′ 31.13″ N, 126° 49′ 09.56″ E]), Yongsan River ( Fig. 1e: Sinhak-ri, Sihong-myeon, Yeongam-gun, Jeollanam-do, Korea [34° 48′ 35.44″ N, 126° 36′ 17.67″ E]), and Nakdong River ( Fig. 1f: Doyo-ri, Saengnim-myeon, Gimhae-city, Gyeongsangnam-do, Korea [35° 21′ 55.21″ N, 128° 53′ 13.39″ E]) (Fig. 1, ...
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... River ( Fig. 1b: Wondang-ri, Jangnam-myeon, Yeoncheon-gun, Gyeonggi-do, Korea [37° 57′ 57.82″ N, 126° 53′ 15.11″ E]), Han River ( Fig. 1c: Haengjue-dong, Deokyang-gu, Goyang-city, Gyeonggi-do, Korea [37° 35′ 31.13″ N, 126° 49′ 09.56″ E]), Kum River ( Fig. 1d: Seochang-ri, Gyeonggi-do, Korea [37° 35′ 31.13″ N, 126° 49′ 09.56″ E]), Yongsan River ( Fig. 1e: Sinhak-ri, Sihong-myeon, Yeongam-gun, Jeollanam-do, Korea [34° 48′ 35.44″ N, 126° 36′ 17.67″ E]), and Nakdong River ( Fig. 1f: Doyo-ri, Saengnim-myeon, Gimhae-city, Gyeongsangnam-do, Korea [35° 21′ 55.21″ N, 128° 53′ 13.39″ E]) (Fig. 1, According to Goo et al., 2018). The measurement of standard length and body weight were taken to ...
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... ( Fig. 1c: Haengjue-dong, Deokyang-gu, Goyang-city, Gyeonggi-do, Korea [37° 35′ 31.13″ N, 126° 49′ 09.56″ E]), Kum River ( Fig. 1d: Seochang-ri, Gyeonggi-do, Korea [37° 35′ 31.13″ N, 126° 49′ 09.56″ E]), Yongsan River ( Fig. 1e: Sinhak-ri, Sihong-myeon, Yeongam-gun, Jeollanam-do, Korea [34° 48′ 35.44″ N, 126° 36′ 17.67″ E]), and Nakdong River ( Fig. 1f: Doyo-ri, Saengnim-myeon, Gimhae-city, Gyeongsangnam-do, Korea [35° 21′ 55.21″ N, 128° 53′ 13.39″ E]) (Fig. 1, According to Goo et al., 2018). The measurement of standard length and body weight were taken to the nearest 0.01 cm and 0.01 g using digital vernier calipers (CD-20CP; Mitutoyo, Kawasaki, Japan) and electronic balance ...
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... Kum River ( Fig. 1d: Seochang-ri, Gyeonggi-do, Korea [37° 35′ 31.13″ N, 126° 49′ 09.56″ E]), Yongsan River ( Fig. 1e: Sinhak-ri, Sihong-myeon, Yeongam-gun, Jeollanam-do, Korea [34° 48′ 35.44″ N, 126° 36′ 17.67″ E]), and Nakdong River ( Fig. 1f: Doyo-ri, Saengnim-myeon, Gimhae-city, Gyeongsangnam-do, Korea [35° 21′ 55.21″ N, 128° 53′ 13.39″ E]) (Fig. 1, According to Goo et al., 2018). The measurement of standard length and body weight were taken to the nearest 0.01 cm and 0.01 g using digital vernier calipers (CD-20CP; Mitutoyo, Kawasaki, Japan) and electronic balance (Shimadzu, Kyoto, Japan) in all samples. Collected samples fixed in 70% ethanol (Sigma-Aldrich, St. Louis, MO,USA) ...