Reproductive Biology and Growth Dynamics of Marine Gastropods
Summary
Marine gastropods exhibit a wide array of reproductive strategies ranging from broadcast spawning with planktonic larvae to direct development within egg capsules. These modes influence dispersal potential, population connectivity and resilience to environmental change. Seasonal and temperature-driven cycles govern gonadal maturation, often measured by gonadosomatic indices, while sexual systems vary from protandric hermaphroditism to strict gonochorism. Growth dynamics are closely linked to metabolic rates, shell accretion and energy allocation between somatic growth and reproduction. Age determination through shell rings, statolith analysis or opercula has refined our understanding of growth functions, revealing species-specific trajectories that conform to mathematical models such as von Bertalanffy or Gompertz curves. Insights into life-history trade-offs inform fisheries management and conservation of keystone and commercially valuable species under global change pressures.
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Reproductive Biology and Growth Dynamics of Marine Gastropods publication trend
The graph below shows the total number of articles in reproductive biology and growth dynamics of marine gastropods across all publications each year (not limited to Nature Index journals).
Technical terms
Gonochorism: A reproductive system in which individuals are distinctly male or female.
Statolith: A calcareous structure used for precise age determination in molluscs by analysing incremental growth rings.
Gonadosomatic index: The ratio of gonad weight to total body weight, used to assess reproductive development.
Von Bertalanffy growth function: A mathematical model describing length-at-age relationships based on asymptotic growth towards a maximum size.
Gompertz growth function: A sigmoidal growth model often applied to describe decelerating growth rates in organisms over time.
Oocyte development: The process of maturation of egg cells within the ovary, often occurring synchronously or in groups.
References
- Reproduction and nutritional values of the edible limpet Nacella magellanica (Gastropoda: Patellogastropoda). Scientia Marina (2019).
- The invasive mollusk Rapana venosa (Mollusca: Neogastropoda: Muricidae) in the mid-southern Black Sea: Distribution, growth, and stock structure. Acta Ichthyologica Et Piscatoria (2023).
- Age and growth rate estimations of the commercially fished gastropod Buccinum undatum. ICES Journal of Marine Science (2018).
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