Escolar (Lepidocybium flavobrunneum) is mesopelagic fish and a common by catch in tuna long line fisheries. Entry of heavy metals into the aquatic environment can lead to accumulation of heavy metals in fish's organs. This study was aimed to analyse and evaluate the heavy metal content zinc (Zn) in body organs (gills and liver) and its meat, also to compare the levels of heavy metal zinc in escolar with weight of 4 kg, 8 kg and 12 kg. Atomic absorption spectrophotometry (AAS) was performed to measure the content of zinc in escolar. Statistical analysis was conducted using multivariate analysis. The results showed that content of zinc in liver from all weight categories were higher compared to its content in gills and meat. Based on total content, escolar with the weight of 12 kg showed higher level compared to the weight of 8 kg and 4 kg. This was also supported as statistical analysis showed that content of zinc in escolar was significantly by weight units (p 0.003). Furthermore, related to consumption, fisheries sector should consider catching the escolar with weight less than 12 kg as the content of metal is lower.