Table 1.

Copiotrophic bacterial culturable count (CBCC) and antimicrobial resistance in the intestinal contents of wild fishes from Coquimbo Bay.

Habitat	Common Name	Scientific Name	CBCC ± SD (CFU g−1)	Antimicrobial Resistance ± SD (%)
				FLO (30 µg mL−1)	OXY (30 µg mL−1)	AMO (50 µg mL−1)	STR (25 µg mL−1)	CIP (10 µg mL−1)
Pelagic	Pacific chub mackerel	Scomber japonicus	4.93 × 108 ± 4.58 × 108	21.41± 8.617	0.30 ± 0.07	8.69 ± 5.70	12.34 ± 5.02	0.002 ± 0.001
	Yellowtail amberjack	Seriola lalandi	5.17 × 107 ± 6.13 × 107	0.89 ± 1.18	0.07 ± 0.03	0.95 ± 0.09	5.86 ± 6.55	<0.001
	Jack mackerel	Trachurus murphyi	4.76 × 107 ± 3.01 × 107	0.04 ± 0.06	0.02 ± 0.01	0.40 ± 0.08	<0.001	5.86 ± 6.55
	Pacific bonito	Sarda chiliensis	3.29 × 106 ± 2.77 × 105	5.11 ± 1.61	1.03 ± 0.62	5.30 ± 1.43	19.55 ± 8.20	<0.001
Demersal	Chilean sandperch	Pinguipes chilensis	3.62 × 109 ± 3.19 × 109	<0.001	<0.001	0.34 ± 0.07	5.28 ± 3.01	<0.001
	Snackerel king-croaker	Menticirrhus ophicephalus	6.68 × 107 ± 5.16 × 107	0.17 ± 0.06	0.06 ± 0.05	1.36 ± 1.10	27.76 ± 7.29	<0.001
	Pacific sandperch	Prolatilus jurgularis	1.75 × 108 ± 2.74 × 107	<0.001	<0.001	0.80 ± 0.75	13.15 ± 15.58	<0.001
	Common hake	Merluccius gayi	8.43 × 107 ± 4.46 × 107	0.26 ± 0.05	0.01 ± 0.01	0.36 ± 0.11	0.62 ± 0.13	<0.001

FLO: Florfenicol; OXY: Oxytetracycline; AMO: Amoxicillin; STR: Streptomycin; CIP: Ciprofloxacin.