Fig. 2From: Habitat selectivity of fresh water fishes of two second-order tropical streams in Tigray, Northern EthiopiaMean fish species richness (S) of the total number of fish species among habitat types between the two streams. Error bars indicate standard errors and bars labeled by a different letter are significantly different, P < 0.05; these statistical comparisons were made between means (\( \overline{X} \)) similar habitats of the streams speciesBack to article page