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Table 8 Prevalence of parasites in relation to body weight of natural C. gariepinus

From: Comparative study of African catfish parasites from cultured and natural habitats

Body weight (g) River A River B
No. of fish examined No. of fish infected Prevalence (%) No. of fish examined No. of fish infected Prevalence (%)
200–299 3 1 33.33 1 0 0.00
300–399 3 1 33.33 3 1 33.33
400–499 5 3 60.00 9 8 88.89
500–599 6 5 83.33 5 5 100.00
600–699 3 2 66.66 2 1 50.00
700–799 0 0 0.00 0 0 0.00
Total 20 12 60.00 20 15 75.00