Table 1. - Enterobacteria species isolated from shrimp Litopenaeus vannamei and fish Oreochromis niloticus .

Specie	Shrimp		Fish		Total of strains
	n	Sample of strains origin	n	Sample of strains origin
Enterobacter cloacae	25	1, 2, 3, 4, 5	29	1, 2, 3, 4, 5	54
Klebsiella pneumoniae	14	1, 2, 3, 5	8	1, 2, 3, 5	22
Escherichia coli	10	2, 3, 4, 5	4	1, 2, 3	14
Citrobacter freundii	3	1	2	1, 2	5
Enterobacter aerogenes	2	5	-	-	2
Raoutella planticola	-	-	2	2	2
Escherichia hermannii	-	-	1	1	1
Citrobacter braakii	-	-	1	2	1
Providencia stuartii	-	-	1	1	1
Serratia marcescens	-	-	1	3	1
Total	54	-	49	-	103

*n= number of strains identified.