Alien Fish Species in the Mbô Floodplain Rivers in Cameroon

Table 2

Length-weight relationships parameters, growth type, and mean K factor of alien fish species caught in the Mbô Floodplain Rivers (October 2014–October 2015).

Species	LWR parameters					Tg	Mean K factor
	N		a	b	ts
Clarias gariepinus	78	0.95	0.0062	3.00	0.020	I	0.674±0.300
Tilapia cameronensis	60	0.92	0.0052	3.37	0.491	+A	0.523±0.083
Oreochromis niloticus	66	0.90	0.0124	3.08	0.030	I	1.262±0.230
Parachanna obscura	33	0.96	0.0034	3.26	0.417	+A	0.336±0.040
Total population	237	0.93	0.0068	3.18	0.575	+A	0.700±0.400

(a and b) superscript letters in the same column are significantly different (P=.01); N: sample size; r²: coefficient of determination; a and b = estimated parameters of the LWR (length-weight relationships); ts: Student's t-test; Tg: types of growth; I: isometric growth; +A: positive allometric growth; -A: negative allometric growth; ±: standard deviation