Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Evolution: love thy neighbour.

Ken Kraaijeveld1, Andrew Pomiankowski

  • 1The Galton Laboratory, Department of Biology, University College London, Wolfson House, 4 Stephenson Way, London NW1 2HE, UK, and Collegium Budapest, H1014 Budapest, Hungary.

Current Biology : CB
|June 9, 2004
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Functional redundancy and stability support the resilience of the Evernia prunastri holobiont under urbanization.

Environmental microbiome·2026
Same author

Why selection for mitochondrial quality drives the evolution of sexes.

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2026
Same author

Selection for growth drives the emergence of genetic heredity in protocells.

PLoS biology·2026
Same author

Lipids as currency in parasitoid competition: Interactions between two lipid-scavenging species.

Journal of insect physiology·2026
Same author

Eukaryotic Recombinases Duplicated After Divergence From Known Asgard Archaeal RadA: Implications for the Evolution of Sex During Eukaryogenesis.

Genome biology and evolution·2025
Same author

Single-cell consequences of X-linked meiotic drive in stalk-eyed flies.

PLoS genetics·2025
Same journal

Pitch selectivity in ferret auditory cortex.

Current biology : CB·2026
Same journal

A cell size-dependent competition between geometry and polarity governs nuclear and spindle positioning in early embryos.

Current biology : CB·2026
Same journal

Trophic cascades drive sustainability in the agricultural heritage rice-fish coculture system.

Current biology : CB·2026
Same journal

Tracking Satb2-positive retinal ganglion cells in zebrafish unveils developmental functional reorganization.

Current biology : CB·2026
Same journal

RhoGAP54D promotes cell size asymmetry and inhibits pulsatile myosin activity in Drosophila neural stem cells.

Current biology : CB·2026
Same journal

Increased rates of hybridization in swordtails are associated with water pollution.

Current biology : CB·2026
See all related articles

Mate choice in Lake Malawi cichlid fish drives speciation. Female preferences for local male coloration indicate sexual selection plays a key role in the evolution of new species.

Area of Science:

  • Evolutionary biology
  • Ichthyology
  • Behavioral ecology

Background:

  • Cichlid fish in Lake Malawi exhibit remarkable diversity.
  • Divergence in male coloration is observed among neighboring populations.
  • Mate choice is a potential driver of speciation in fish.

Purpose of the Study:

  • To investigate the role of sexual selection in cichlid fish speciation.
  • To determine if female mate preferences align with male coloration differences.
  • To assess the contribution of coloration-based sexual selection to reproductive isolation.

Main Methods:

  • Comparative analysis of male courtship coloration across five Lake Malawi cichlid populations.
  • Behavioral experiments assessing female mate choice preferences.

Related Experiment Videos

  • Statistical analysis of preference data in relation to male coloration.

    • Main Results:

    • Significant differences in male courtship coloration were found among the five populations.
    • Females exhibited strong mate preferences for males with coloration matching their own population.
    • This preference suggests a mechanism for reproductive isolation.

    Conclusions:

    • Sexual selection, driven by female preference for population-specific male coloration, is a significant factor in cichlid speciation.
    • Coloration-based mate choice contributes to the maintenance of distinct populations and the formation of new species.
    • The findings highlight the power of sexual selection in driving rapid diversification in the Lake Malawi cichlid adaptive radiation.