Camouflaging strategies in animals primarily includes the efficient feature to merge with the background of the ecosystem. This physiological phenomenon is an evolutionary process regulated by specific genes and is effective in terms of prey-predation equation. The colouration mechanisms in animals comprehends sophisticated pigment physiology, which is exhibited in a proficient way on the body surface of the animal to conflate with the adjacent environment. This work uses a semi-transparent freshwater prawn species, Macrobrachium lamarrei, to elucidate the mechanism to camouflage in the aquatic medium thus using the light intensity underwater. Macrobrachium lamarrei has specific arrangement of pigment droplets on its exoskeleton. However, the exclusivity of camouflage exists within the semi-transparent appearance of the body, for which, the organism effectively becomes ‘invisible’ in the aquatic habitat. The accumulative effects of semi-transparency and pigment droplet distribution on the body surface, plays the crucial role in the hiding strategy. In fact, the degree of semi-transparency is regulated by the organism and the intensity of light plays a critical role in the reflection of the image of the prawns to the predator. This study is conceptualised on the interplay of light and transparency where we have used a semi-transparent aquatic organism as a reliable biophysical model to analyse camouflagic adaptation.