Term:
Primordium
Definition:
The initial complex structure of an otolith, it consists of granular or fibrillar material surrounding one or more optically dense nuclei from 0.5 mm to 1.0 mm in diameter.
Domain:
Fishery
Source:
Handbook on Fish Age Determination - A Mediterranean experience, FAO Studies and Reviews No. 98, FAO, 2019 (http://www.fao.org/3/ca2745en/ca2745en.pdf).
