The Korea Polar Research Institute has generously shared a comprehensive dataset encompassing raw sequence reads, which is now accessible on NCBI. This valuable contribution, submitted on 11-Sep-2023, signifies a significant milestone in scientific exploration. Specifically, it represents the inaugural documentation of the mitogenome of Euphausia crystallorophias, meticulously gathered from the Ross Sea Region Marine Protected Area (RSR MPA). This pristine region, revered for its ecological significance and conservation efforts, has yielded invaluable genetic insights into the organism's mitochondrial composition. The assembled mitogenome, meticulously analyzed and curated, spans an impressive length of 17,291 base pairs, underscoring the meticulous efforts undertaken to unravel the genetic blueprint of this fascinating species within its natural habitat.