About this Research Topic

Background

The study of fish otoliths, calcified structures located within the inner ear of fish, has garnered significant attention in the fields of taxonomy and ichthyology due to their unique properties and applications. Otoliths are crucial for sound detection, enabling fish to discern differences in sound frequencies and intensities, determine sound directionality, and filter out background noise. These structures grow continuously throughout a fish's life, with daily material deposition, making them invaluable for studying fish life histories both within and between species. Despite their potential, the scientific community has yet to fully explore the innovative applications of otoliths in aquatic biological sciences. Current research highlights the role of otoliths in reflecting interspecific differences in hearing abilities, which are closely linked to species-specific ecological and life history traits. Intraspecific variations in otolith morphology can be influenced by factors such as diet, water chemistry, and genetic differences, underscoring the need for further investigation into their eco-morphological adaptations, particularly in extreme environments. Moreover, about 90% of otolith research is still focused on Sagittae, while the great potential of Lapilli and Asteriscii is still largely undiscovered.

This research topic aims to delve into the multifaceted applications of otoliths within aquatic sciences, seeking to expand the current understanding of their role in fish biology and ecology. The primary objectives include exploring the potential of otoliths in aging fish, evaluating fish stocks, and comparing populations of the same species across different geographical areas. Additionally, the research will focus on the chemical and microstructural features of otoliths, their morphological and shape analysis, and the use of ancient otolith samples for historical comparisons. By addressing these objectives, the research aims to uncover new insights into the life history traits of fish and develop innovative methods and protocols for their study.

To gather further insights into the applications of otoliths in aquatic sciences, we welcome articles addressing, but not limited to, the following themes:
- Aging
- Fish stock evaluations
- Comparison among the same fish species from different geographical areas
- Chemical and microstructure features
- Morphological and shape analysis utilization
- Use of ancient otolith sampling for historical comparisons
- Life history traits description
- Technical protocols and innovative methods
- Aquaculture and fisheries sciences
- New insights on Lapilli and Asteriscii

Article types and fees

This Research Topic accepts the following article types, unless otherwise specified in the Research Topic description:

• Brief Research Report
• Community Case Study
• Data Report
• Editorial
• General Commentary
• Hypothesis and Theory
• Methods
• Mini Review
• Opinion
• ... View all formats

Articles that are accepted for publication by our external editors following rigorous peer review incur a publishing fee charged to Authors, institutions, or funders.

Article types

This Research Topic accepts the following article types, unless otherwise specified in the Research Topic description:

• Brief Research Report
• Community Case Study
• Data Report
• Editorial
• General Commentary
• Hypothesis and Theory
• Methods
• Mini Review
• Opinion
• Original Research
• Perspective
• Policy and Practice Reviews
• Policy Brief
• Review
• Systematic Review
• Technology and Code

Keywords: Otolith; Morphology; Fish; Marine Zoology; Evolutionary Biology; Life History Traits; Aquatic Environments; Functional Ecology; Fisheries; Aquaculture

Important note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

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