Heavy Metal Concentrations in Fish from River Tano in Ghana and the Health Risks Posed to Consumers

Table 2

Weight-length relationship and condition factor.

Fish species	Weight () ± SD	Length (cm) ± SD	Q value	Fish condition
Mormyrus rume	531 ± 0.19	37.5 ± 0.01	1.0	Poor
Leptocypris niloticus	308 ± 0.54	26.5 ± 0.00	2.19	Proportionally good
Oreochromis niloticus	252 ± 0.31	21.5 ± 0.00	2.53	Proportionally good
Chrysichthys johnelsi	266 ± 0.75	22.0 ± 0.02	2.50	Proportionally good
Clarias gariepinus	108 ± 0.38	17.0 ± 0.01	2.20	Proportionally good
Parachanna obscura	99.5 ± 0.21	19.0 ± 0.05	1.45	Proportionally good
Saro. melanotheron	58.2 ± 1.01	16.0 ± 0.02	1.42	Proportionally good
Ctenopoma gariepinus	91.0 ± 0.54	17.0 ± 0.00	1.85	Proportionally good
Sarotherodon galilaeus	73.5 ± 0.59	18.7 ± 0.01	1.12	Moderate
Ctenopoma kingsleyae	120 ± 0.20	20.4 ± 0.06	1.41	Proportionally good

The Q value means the Fulton condition factor.