Table 5. Target hazard quotient (THQ) and hazard index (HI) of heavy metals in each fish species

Fish THQ HI
Zn Mn Cu Cd Cr Pb Ni
Puntius ticto 0.0068 0.0238 0.0049 0.0735 0.1245 0.0894 0.0160 0.3389
Aspidoparia jaya 0.0059 0.0166 0.0063 0.0765 0.0745 0.0963 0.0099 0.2861
Eutropiichthys vacha 0.0058 0.0131 0.0051 0.0618 0.1240 0.1769 0.0160 0.4026
Mystus cavasius 0.0071 0.0218 0.0063 0.0941 0.1388 0.0974 0.0229 0.3885
Tenulosa ilisha 0.0094 0.0283 0.0071 0.1059 0.1275 0.1059 0.0259 0.4100
THQ > 1, may cause potential health risk; HI > 1, adverse health effects are expected.