Environmental Determinants Influencing Fish Community Structure and Diversity in Two Distinct Seasons among Wetlands of Northern Region (Ghana)

Table 2

Relative abundance of fish species recorded in the six sites, during the dry and wet seasons. (—) = absent.

Family	Species	Dry season	Wet season
Alestidae	Alestes dentex	129	108
	Alestes baremoze	64	71
	Brycinus nurse	160	155
	Brycinus macrolepidotus	92	24
	Hydrocynus brevis	17	—
	Hydrocynus forskali	4	—
	Micralestes occidentalis	—	83
Bagridae	Bagrus bajad	47	—
	Bagrus docmac	3	—
Cichlidae	Oreochromis niloticus	297	202
	Sarotherodon galilaeus	342	154
	Chromidotilapia guntheri	10	—
	Tilapia dageti	19	81
	Tilapia zilli	—	61
Citharinidae	Citharinus citharus	28	—
	Citharinus latus	5	—
Centropomidae	Lates niloticus	28	8
Channidae	Parachanna obscura	20	6
Clariidae	Clarias gariepinus	99	32
	Clarias anguillaris	38	80
	Heterobranchus bidorsalis	77	15
	Clarias laeviceps	—	19
	Clarias camerunensis	—	6
	Heterobranchus longifilis	—	7
Claroteidae	Auchenoglanis occidentalis	98	109
	Chrysichthys auratus	6	—
Cyprinidae	Labeo coubie	139	41
	Labeo senegalensis	103	99
	Labeo parvus	9	15
	Raimas nigeriensis	—	12
Distichodontidae	Distichodus engycephalus	25	—
	Distichodus rostratus	7	—
Mochokidae	Synodontis clarias	42	38
	Synodontis membranaceus	9	13
	Synodontis eupterus	35	—
	Synodontis schall	90	86
	Synodontis nigrita	12	36
	Synodontis velifer	85	8
	Hemisynodontis membranaceus	7	11
	Synodontis bastiani	—	12
Malapteruridae	Malapterurus electricus	6	2
Mormyridae	Hyperopisus bebe	13	18
	Hyppopotamyrus paugyi	—	2
	Marcusenius senegalensis	102	100
	Mormyrus hasselquistii	1	—
	Mormyrus rume	10	51
	Petrocephalus bovei	20	14
	Mormyrus delicious	—	10
	Mormyrops breviceps	—	4
Osteoglossidae	Hetrotis niloticus	14	12
Schilbeidae	Schilbe intermedius	131	90
	Schilbe mystus	17	33
Polypteridae	Polypterus senegalus senegalus	5	—
	Polypterus endlicheri	24	7
Total		2,239	1,938