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Table 3 Average (standard deviation) of stable carbon and nitrogen isotope ratios (δ 13 C and δ 15 N) and percent carbon (%C) and nitrogen (%N) in the feces of brown-marbled grouper

From: Stable isotope enrichment in muscle, liver, and whole fish tissues of brown-marbled groupers (Epinephelus fuscoguttatus)

Day δ13C (‰) δ15N (‰) %N %C Sample number
0 −21.9 (0.2) 10.3 (0.0) 2.2 (0.2) 23.1 (2.0) 4
7 −22.3 (0.6) 15.5 (0.5) 1.9 (0.4) 19.9 (3.1) 5
14 −21.5 (0.3) 14.8 (0.8) 1.9 (0.3) 17.7 (3.3) 5
28 −21.2 (0.6) 14.8 (0.9) 1.8 (0.3) 18.0 (4.0) 4
42 −21.6 (0.3) 14.3 (0.2) 1.8 (0.1) 18.0 (0.7) 2
56 −20.1 18 3.3 20.6 1