The researchers analyzed the nutritional components of wild Perca fluviatilis from the Ereqsi River. They found that the muscle contained high levels of protein, fat, and essential amino acids needed by humans. The essential amino acids in the muscle met the FAO/WHO standard, with threonine being a limiting amino acid. The fatty acids in the muscle included EPA and DHA, important for health. Overall, the wild Perca fluviatilis from the Ereqsi River is a nutritious food source rich in essential nutrients.