Species Profile
Pinctada
Pearl oyster
KingdomAnimalia
PhylumMollusca
ClassBivalvia
OrderUnknown
FamilyUnknown
Introduction
Pinctada lives attached to rocks in seas.
It is sedentary and filter-feeding.
Economically very important.
Size & Structure
01
Rounded shells
02
Mother-of-pearl lining
03
Strong hinge ligament
04
Pale colour
Pinctada — 3D Model
General Features
- Coelom
- Eucoelomate (reduced)
- Body plan
- Tube within a tube body plan (Protostomous)
- Germ layer
- Triploblastic
- Metamerism
- Absent
- Body symmetry
- Bilateral symmetry
- Fertilization
- External
- Digestion type
- Complete, extracellular
- Nervous system
- Ganglionic
- Excretory organ
- Metanephridia
- Body temperature
- Poikilothermic, stenohaline
- Circulatory type
- Open circulation, single
- Development type
- Indirect
- Respiratory type
- Ctenidial respiration
- Mode of excretion
- Ammonotelism
- Circulation system
- Open
- Skeleton structure
- Exoskeleton (bivalved shell)
- Level of Organisation
- Organ-system level
- Regulation of Osmosis
- Osmoconformer
Ecology
Filter feeder
Marine water purifier
Reef ecosystem role
Economic Importance
Pearl industry
Export value
Aquaculture importance