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Table 2 Total fish abundance recorded from Gereb Tsedo and Elala streams (habitat wise), Mekelle city, Ethiopia (S, species richness, the total number of species; H’, Shannon-Weaver diversity index; J, measure of evenness)

From: Habitat selectivity of fresh water fishes of two second-order tropical streams in Tigray, Northern Ethiopia

Fish species Pool Run Riffle Total % relative species abundance
G. aethiopica 41 2 0 43 0.7
G. blanfordii 2464 1772 573 4809 73.4
G. dembecha 444 197 172 813 12.4
G. ignestii 493 341 55 889 13.5
Total 3442 2312 800 6554 100
% relative abundance 53 35 12 100
Richness (S) 4 4 3
Shannon (H’) 0.835 0.702 0.752
Evenness (J) 0.602 0.507 0.685