demand immersion to enable excretion of ammonia, aerobic respiration and feeding but as an intertidal bivalve, it can tolerate periods of emersion and temperature variation for extended periods by closing both shells via an adductor muscle.
demand immersion to enable excretion of ammonia,aerobic respiration and feeding but as an intertidal bivalve, it can tolerateperiods of emersion and temperature variation for extendedperiods by closing both shells via an adductor muscle.