Journal of Biological Research-Thessaloniki

Table 1 Diet composition of Carangoides chrysophrys and Epinephelus malabaricus from the Pangani Estuary

From: Differences in trophic resources and niches of two juvenile predatory species in three Pangani estuarine zones, Tanzania: stomach contents and stable isotope approaches

Food items	C. chrysophrys				E. malabaricus
Food items	%FO	%PN_i	%PW_i	%PSIRI	%FO	%PN_i	%PW_i	%PSIRI
Brachyura	12.5	54.70	74.12	8.05	50.00	77.44	77.75	38.80
Juvenile shrimps	60.85	91.18	78.42	51.37	31.13	86.30	77.98	25.57
Teleostei–Clupeidae	14.42	80.96	91.08	12.41	17.92	69.62	75.74	13.03
Teleostei–Mugilidae	3.85	53.47	78.45	2.54	10.38	65.76	77.59	7.44
Teleostei–Engraulidae	15.38	63.67	73.66	10.56	1.89	50.00	24.56	0.70
Teleostei–Gobiidae	0	0	0	0	3.77	56.25	55.99	2.12
Unidentified fish	0.96	100.00	100.00	0.96	0	0	0	0
Penaeid shrimps	14.42	79.85	89.15	12.19	6.60	69.52	79.39	4.92
Other shrimps	1.97	100.00	100.00	1.92	3.77	70.83	70.50	2.67
Stomatopoda	0	0	0	0	6.60	72.38	71.87	4.76
Total				100.00				100.00
Total empty stomachs (%)	22 (16.30)				57 (34.76)
Total stomachs with food (%)	113 (83.70)				107 (65.23)

%FO percentage frequency of occurrence, %PN_i percent prey-specific abundance, %PW_i percent prey-specific weight of food item in the stomachs of each species and %PSIRI percentage of prey-specific index of relative importance of each food item in the diet of the predatory fish species

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ISSN: 2241-5793

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