| Mystus cavasius | India (Ganga–Yamuna drainage) | 2.91 | A– | Sani et al. (2010) |
| Bangladesh | 3.21 | A+ | Hossain et al. (2012) |
| Bangladesh | 2.65 | A– | Ferdaushy & Alam (2015) |
| Pakistan | 2.54 | A– | Soomro et al. (2015) |
| Bangladesh | 3.10 | I | Hossain et al. (2016) |
| Bangladesh | 3.07 | I | Akther et al. (2017) |
| Pakistan | 2.92 | A– | Muhammad et al. (2017) |
| Pakistan | 2.718 | A– | Latif et al. (2018) |
| India (Central Brahmaputra valley) | 2.42 | A– | Nath et al. (2019) |
| India (Ganga drainage) | 2.84 | A– | Ahirwal et al. (2025) |
| India (lower Ganga drainage) | 2.749 | A– | Das et al. (2025) |
| Upper Brahmaputra basin, NE India | 2.454 (combined) | A– | Present study |
| Mystus vittatus | Bangladesh | 3.05 | I | Hossain et al. (2006) |
| India (North India) | 2.992 | A– | Tripathi et al. (2010) |
| India (North India) | 2.88 | A– | Srivastava et al. (2013) |
| India (South India) | 2.732 | A– | Victor et al. (2014) |
| Bangladesh | 2.77 | A– | Hossain et al. (2016) |
| India (Eastern India) | 1.110–1.564 | A– | Chakraborty et al. (2019) |
| India (NE India) | 2.997–3.046 | A– to I | Nama et al. (2020) |
| India (Eastern India) | 2.72–3.12 | A– to I | Das et al. (2024) |
| Upper Brahmaputra basin, NE India | 2.410 (combined) | A– | Present study |
| Mystus tengara | India (Eastern India) | 3.07 | I | Gupta & Banerjee (2013) |
| Bangladesh | 2.80 | A– | Hossain et al. (2016) |
| Bangladesh | 2.36 | A– | Akther et al. (2017) |
| India (NE India) | 2.07 | A– | Kalita et al. (2017) |
| Bangladesh | 3.08 | A+ | Mitu et al. (2019) |
| Bangladesh | 2.70–3.01 | A– to I | Islam et al. (2024) |
| India (Eastern India) | 2.00–3.29 | A– to A+ | Jana et al. (2022) |
| Upper Brahmaputra basin, NE India | 2.277 (combined) | A– | Present study |