Number of publications per year featuring otolith chemistry and otolith shape (Web of Science, search on 17 September 2020, search term: otolith chemistry OR otolith microchemistry OR otolith elemental composition (black bar), otolith shape OR otolith morphometry (grey bar), and otolith chemistry OR otolith microchemistry OR otolith elemental composition AND otolith shape OR otolith morphometry (light grey bar)). Lines indicate the trends and results were not cross-checked.

 
 
  Part of: Nazir A, Khan MA (2021) Using otoliths for fish stock discrimination: status and challenges. Acta Ichthyologica et Piscatoria 51(2): 199-218. https://doi.org/10.3897/aiep.51.64166