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Table 1 Chemical composition and stable isotope values of the diet (trash fish) used in the current experiment

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

Component Values
Crude protein (% dry mass) 50.17
Crude fat (% dry mass) 10.32
Crude fiber (% dry mass) 5.6
Gross energy (kJ/g) 19.25
δ13C (‰) −20.4
δ15N (‰) 16.4