The Three Otolith Pairs in Teleosts and Their Application in Eco-Morphological, Ecological, and Systematic Studies

A special issue of Fishes (ISSN 2410-3888). This special issue belongs to the section "Biology and Ecology".

Deadline for manuscript submissions: 16 April 2025 | Viewed by 959

Special Issue Editors


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Guest Editor
Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy
Interests: marine biology; taxonomy; trophic ecology; otholits science
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d’Alcontres 31, 98166 Messina, Italy
Interests: zoology; biodiversity monitoring; marine ecology; ecosystem ecology; marine environment; aquatic ecology; fish ecology; fisheries; fish biology; molluscs histology; marine pollution; fisheries sustainability; otolith science; morphological analysis; morpho-functional adaptation; environmental surveys; shape analysis; image analysis; R programming

E-Mail Website
Guest Editor
1. Department of Veterinary Sciences, University of Messina, Polo Universitario dell'Annunziata, 98168 Messina, Italy
2. Institute for Marine Biological Resources and Biotechnology (IRBIM), National Research Council (CNR), Section of Messina, 98100 Messina, Italy
Interests: otolith; fisheries; teleost; elasmobranchs; biodiversity; microplastics; environmental conservation; aquaculture; fish respiration; fish immunology; marine zoology; zoomorphology; taxonomy
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent decades, otoliths have proven to be of great scientific value in research dealing with teleost fishes’ ecology, zoology, and physiology. They have been widely investigated with the aim of understanding several aspects of their life history, ecology, and systematics. Thanks to their capability of preserving chemical information from the surrounding environment, they have become an essential tool for studying migratory patterns and habitat shifts. Due to their high intra- and inter-specific variability, metabolic inertia, and growing process in daily increments of carbonate deposition, they have attracted increasing interest in population studies, eco-morphological investigations, and palaeontologic, systematic, and physiological research.

The development and morphology of the three otolith pairs occur under the dual influence of environment and genetics. For this reason, they are perfect for investigating the eco-morphological adaptation of teleost fishes to different habitats and environmental pressures. This Special Issue will be focused on the current research on otoliths (papers on sagittae are particularly welcome, but those on lapilli and asterisci will also be gladly accepted), dealing with the exploration of eco-morphological adaptations and phenotypic plasticity in teleosts, their intra- and inter-specific variability, and population and life habit studies exploring their microchemistry.

Dr. Claudio D’Iglio
Dr. Sergio Famulari
Dr. Gioele Capillo
Guest Editors

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Keywords

  • otoliths
  • eco-morphology
  • inner ear
  • Sagittae
  • population studies
  • ageing
  • lapilli
  • asterisci
  • microchemistry
  • ontogenetic variability

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Published Papers (1 paper)

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Research

24 pages, 4510 KiB  
Article
Combined Effects of Fishing and Environment on the Growth of Larimichthys polyactis in Coastal Regions of China
by Zhuo Yin, Yun Xia, Chi Zhang, Rui Zhang, Dan Liu and Yang Liu
Fishes 2024, 9(9), 367; https://doi.org/10.3390/fishes9090367 - 23 Sep 2024
Viewed by 439
Abstract
In fisheries’ stock assessments, the concept of “growth plasticity”—the ability of organisms to modulate their growth rates in response to environmental conditions—has gained attention in recent years. Historically, the impacts of fishing activities and environmental fluctuations were considered separately, while their combined effects [...] Read more.
In fisheries’ stock assessments, the concept of “growth plasticity”—the ability of organisms to modulate their growth rates in response to environmental conditions—has gained attention in recent years. Historically, the impacts of fishing activities and environmental fluctuations were considered separately, while their combined effects have recently come into focus. This study collected 834 adult small yellow croakers (Larimichthys polyactis) from the northern Yellow Sea, the central Yellow Sea, the southern Yellow Sea, and the northern East Sea by trawling during 2020–2021. Using otolith increments as a proxy for annual somatic growth, the study reconstructed otolith chronologies during 2015–2020 for these four stocks. The results of the mixed-effects modeling suggested that temperature during spawning and previous overwintering seasons had comparable importance for the annual growth of small yellow croakers, with higher temperature promoting growth. The growth of small yellow croakers was also found to be correlated with ENSO events, with a lag of 1 to 2 years. A further investigation into combined effects revealed that higher fishing pressure might inhibit the small yellow croaker’s response to favorable environmental conditions. Furthermore, considering the potential differences in growth plasticity among stocks, an analysis was conducted on the spatial variations in growth response to these factors. The analysis revealed that, compared to the stocks in the Yellow Sea, the stock from the East China Sea could exhibit higher growth, superior adaptability to temperature, and a distinctive response to fishing pressure. In conclusion, the present study, while primarily focusing on temperature, preliminarily analyzed the combined effects of fishing and environment and underscored the differences in growth plasticity between stocks in the Yellow Sea and the East China Sea. Despite the limited factors analyzed in this study, it suggests a direction for future studies, highlighting the necessity to include more environmental factors, and even population factors (e.g., the biomass of preys), for a more comprehensive understanding of the combined effects. Based on the observed differences between the two potential subpopulations, this study also provides new insights for the management of the small yellow croaker based on metapopulation dynamics. Full article
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