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

Table 5 Proportional contributions of food items for C. chrysophrys and E. malabaricus in Pangani estuary

Potential prey	C. chrysophrys
	Upper estuarine zone		Middle estuarine zone		Lower estuarine zone
	Mode	CI	Mode	CI	Mode	CI
Gastropoda	4.45	0–19	1.49	0–16	2.44	0–18
Isopoda	3.21	0–24	1.91	0–21	9.49	0–25
Brachyura	21.00	0–39	22.79	0–43	18.18	0–38
Caridea and penaeidae shrimps	19.81	0–39	18.70	0–41	20.78	0–36
Clupeidae	22.78	6–36	27.41	11–27	19.94	0–31
Mugilidae	20.44	10–30	14.16	5–26	27.56	15–38

Potential prey	E. malabaricus
	Upper estuarine zone		Middle estuarine zone		Lower estuarine zone
	Mode	CI	Mode	CI	Mode	CI
Gastropoda	1.03	0–11	1.00	0–9	0.74	0–5
Isopoda	1.17	0–14	1.04	0–11	0.68	0–6
Brachyura	17.27	0–40	3.28	0–35	1.33	0–17
Caridea and penaeidae shrimps	10.04	0–37	2.93	0–33	1.88	0–22
Clupeidae	36.66	0.1–55	47.89	30–64	74.30	6–86
Mugilidae	18.51	0.1–29	16.57	6–25	7.40	2–14

Relative contributions of dietary sources to predatory fish reported as mode (central tendency) with 95% CI = Bayesian credible interval

ISSN: 2241-5793