Pinctada fucata (Gould, 1850)

The Indian pearl oyster has a long hinge which is nearly 0.85 times the maximum width of the shell. The left valve is deeper than the right. Hinge teeth are present in both valves. Anterior ear is larger than the posterior ear and there is a slit-like abyssal notch. The outer shell is reddish or yellowish brown in colour with radial rays of lighter colour. The nacreous layer is thick and has a golden metallic luster