International Journal of Biodiversity / 2018 / Article / Tab 1

Research Article

Alien Fish Species in the Mbô Floodplain Rivers in Cameroon

Table 1

Sampled fish, total length, total weight, and sex ratio of alien fish species caught in the Mbô Floodplain Rivers (October 2014–October 2015).

Family/Species and statusRelative percentageTotal length (cm)Weight (g)Sex-ratio
N%MinMaxMean± sdMinMaxMean± sdMFM:Fχ2

Clarias gariepinus (Burchell, 1822) (Escaped from ponds in Dschang since 1990, accidental introduction, naturalised)

Parachanna obscura (Günter, 1861) (Escaped from ponds in Santchou near the Black water river since 2002, accidental introduction, unknown)

Tilapia cameronensis (Holly, 1927) (Translocated from Lom River-Cameroon, intentional transfer, naturalised)
Oreochromis niloticus (Linnaeus, 1758). Exotic, from Bangui Central African Republic since 1975, accidental diffusion, naturalised)6627.8512.0026.0019.49±3.6730.00350.00132.41±777.5034321.06:10.0950ns

N: number of fish; %: relative percentage; Min: minimum; Max: maximum; M: male; F: female; M: F: sex ratio; χ2: chi-square test; ns: P > 0.05, P < 0.05.

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