Fig. 2 in Archaster typicus Author Lee, Yan-Horn Tungkang Biotechnology Research Center, Fisheries Research Institute, Council of Agriculture, Pintung 928, Taiwan. Author Yen, Tsair-Bor Department of Tropical Agriculture and International Cooperation, National Pingtung University of Science & Technology, Pingtung 912, Taiwan. E-mail: tbyen @ mail. npust. edu. tw tbyen@mail.npust.edu.tw Author Chen, Chiu-Fen Department of Aquaculture, National Pingtung University of Science & Technology, Pingtung 912, Taiwan. Author Tseng, Mei-Chen Department of Aquaculture, National Pingtung University of Science & Technology, Pingtung 912, Taiwan. text Zoological Studies 2018 2018-07-10 57 34 1 13 http://dx.doi.org/10.5281/zenodo.12866614 journal article 10.6620/ZS.2018.57-34 1810-522X PMC6517716 31966274 13315200

Table 1. List of karyotypic studies of five Thunnus species

Species	Karyotype	2n	FN	Reference
FN, fundamental arm numbers.
T. obesus	2 m + 2 st + 44 t	48	50	this study
T. albacares	2 m + 2 sm + 2 st + 42 t	48	52	Ratty et al. (1986), this study
T. alalunga	2 m + 2 sm + 2 st + 42 t	48	52	Ratty et al. (1986), this study
T. orientalis	2 m + 2 sm + 44 t	48	52	this study
T. thynnus	2 m + 2 st + 44 t 2 m + 4 st + 42 t	48	50	Ida et al. (1993)