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

Inbreeding avoidance through non-random mating in sticklebacks.

Joachim G Frommen1, Theo C M Bakker

  • 1University of Bonn, Institute for Evolutionary Biology and Ecology, An der Immenburgl, 53121 Bonn, Germany. jfrommen@evolution.uni-bonn.de

Biology Letters
|December 7, 2006
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

Repeated evolution of cooperative breeding and life history traits in Lake Tanganyika cichlids.

Communications biology·2026
Same author

Measuring fish cognition: empirical-based guidance for designing cognition assays.

Journal of fish biology·2025
Same author

Beyond the null: Recognizing and reporting true negative findings.

iScience·2025
Same author

Philopatry yields higher fitness than dispersal in a cooperative breeder with sex-specific life history trajectories.

Science advances·2023
Same author

Influence of lighting environment on social preferences in sticklebacks from two different photic habitats. I. mate preferences of wild-caught females.

Current zoology·2021
Same author

Influence of lighting environment on social preferences in sticklebacks from two different photic habitats. II. Shoaling and mate preferences of lab-bred fishes.

Current zoology·2021
Same journal

Cat colonies reshape the abundance and body size of lizards.

Biology letters·2026
Same journal

Visual signal dynamicity shapes detectability in the wild: an experiment with a mate-searching butterfly.

Biology letters·2026
Same journal

Transient marine species disproportionately expand the morphospace of North American continental freshwater fishes.

Biology letters·2026
Same journal

An unrecognized fine-scale host-plant adaptation in a leaf miner: correct dorsoventral egg orientation is essential for successful leaf entry.

Biology letters·2026
Same journal

Alpine adaptation drives rapid colour evolution in a Batesian mimic.

Biology letters·2026
Same journal

Song but not colour divergence constrains hybridization in birds.

Biology letters·2026
See all related articles

Female sticklebacks avoid mating with their brothers. This study provides experimental evidence that vertebrates can avoid inbreeding by choosing unfamiliar mates over kin, preventing negative effects on offspring survival.

Area of Science:

  • Behavioral Ecology
  • Evolutionary Biology
  • Animal Behavior

Background:

  • Inbreeding negatively impacts offspring viability and attractiveness in many animal species.
  • Avoiding mating with close relatives is evolutionarily advantageous.
  • Experimental evidence for inbreeding avoidance via non-random mating in vertebrates is limited.

Purpose of the Study:

  • To investigate inbreeding avoidance mechanisms in three-spined sticklebacks (Gasterosteus aculeatus).
  • To determine if female sticklebacks exhibit non-random mating preferences to avoid kin.
  • To provide experimental evidence for inbreeding avoidance in vertebrates.

Main Methods:

  • Presenting gravid female sticklebacks with a choice between courting familiar (brother) and unfamiliar (non-sib) males.

Related Experiment Videos

  • Controlling for male body size and nuptial coloration (red intensity) as potential confounding factors.
  • Observing and quantifying female mating preference.

    • Main Results:

    • Female three-spined sticklebacks significantly preferred to mate with unfamiliar non-kin over familiar brothers.
    • This preference was observed despite controlling for male size and coloration.
    • Females actively adjusted their mating behavior to avoid inbreeding.

    Conclusions:

    • Female sticklebacks demonstrate inbreeding avoidance through mate choice.
    • This behavior helps mitigate the negative consequences of inbreeding on offspring.
    • The study provides crucial experimental evidence for kin recognition and avoidance in vertebrate mating systems.