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Shell color polymorphism in marine gastropods.

Juan Gefaell1, Juan Galindo1, Emilio Rolán-Alvarez1

  • 1Departamento de Bioquímica Genética e Inmunología Centro de Investigación Mariña Universidade de Vigo Vigo Spain.

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|February 16, 2023
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Marine gastropod shell color variation is often maintained by natural selection. Future research should explore genetic and developmental factors influencing this biodiversity for conservation efforts.

Keywords:
clinescrypsisfrequency‐dependent selectiongenetic driftnatural selectionsnails

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Area of Science:

  • Marine Biology
  • Evolutionary Biology
  • Genetics

Background:

  • Marine gastropods exhibit remarkable shell color diversity.
  • Understanding the evolutionary drivers of this polymorphism is crucial for biodiversity research.

Purpose of the Study:

  • To review existing research on marine gastropod shell color polymorphism.
  • To highlight knowledge gaps and suggest future research directions, focusing on evolutionary mechanisms.

Main Methods:

  • Literature review of studies on shell color polymorphism in marine gastropods.
  • Analysis of biochemical, genetic, spatial, temporal, and evolutionary aspects.
  • Emphasis on evolutionary maintenance mechanisms.

Main Results:

  • Natural selection is a common factor in maintaining gastropod color polymorphism.
  • The role of neutral forces like gene flow and genetic drift appears less significant but is understudied.
  • A potential link exists between shell color polymorphism and larval development modes.

Conclusions:

  • Natural selection plays a key role in marine gastropod shell color diversity.
  • Further investigation into neutral forces and larval development is warranted.
  • Integrating laboratory experiments with -Omics approaches can elucidate the molecular basis of color polymorphism for conservation.