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BiologyAlthough there is no direct information on the reproduction of the pink sea fan, it is thought that larvae are short-lived and settle soon after release (6). It is a slow growing and long-lived species (specimens may reach 50 years old) and if a population is entirely lost from an area, recolonisation is likely to be very slow (6). The age can be determined (destructively) by the presence of internal growth rings, much like those of a tree (3). The pink sea fan provides habitat for the sea fan sea slug, (Tritonia nilsohdneri) and the rare sea fan anemone (Amphianthus dohrnii) (5).