In addition, otoliths are widely used as indicators of fish age and growth at annually, daily and seasonal levels. Recent developments in the tools used for determining otolith's microconstituents have opened up possibilities of studying migrations and stock identity as well as using isotopes to reconstruct past life history of fishes, some good progress has made.
The otolith form is species and group specific with the important value for fish taxonomy and systematics research, and some researchers have...