Brachiopods are groups of Lophotrochozoan animals with hard shells found in the upper and lower surfaces. Their shells are hinged at the end and opened for feeding or closed for protection at the front.
They are also called lamp shells and ranges from about 1-100 mm (0.039-3.937 in) long, though the largest brachiopod is about 30-38 cm (12-15 in) in width.
Brachiopods possess adductor muscles which are set on the inside of the pedicle valves. They have a very long history of life on earth, believed to have been in existence for about 550 million years.
Where are they found
Brachiopods are aquatic animals which lives in sea beds or shallow areas like estuaries of Antarctic waters, rock pools and intertidal zone.
What do they eat
They feed on planktons, particles of dead organic matter etc; by extracting them out of the water that they pump in and out of their shells.
What colour of blood do they have
Brachiopods are known to have black blood.
They have a life expectancy of about 3-30 years.
Are they edible
Though some are poisonous, but brachiopod lingula is eaten in Fiji and Japan.
They are used to solve modern biological problems.
Do they open their shells when they die
When a brachiopod dies, its shell does not open up.
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