The pearl oysters are sedentary marine bivalves found in all seas except in colder .The indian pearl oyster is PINCTADA VULGARIS that is known for yielding precious pearls. The two shells are unequals, with the left one comparatively larger than the right one and remain attached to a rock. The adductor muscles is single and large. The foot is lacking in the adult. Pearl is formed as a result of nacreous secretion from the mantle around a small particle.Wednesday, 25 July 2012
PEARL OYSTER-MOLLUSCA
The pearl oysters are sedentary marine bivalves found in all seas except in colder .The indian pearl oyster is PINCTADA VULGARIS that is known for yielding precious pearls. The two shells are unequals, with the left one comparatively larger than the right one and remain attached to a rock. The adductor muscles is single and large. The foot is lacking in the adult. Pearl is formed as a result of nacreous secretion from the mantle around a small particle.
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