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Related Concept Videos

Parental Care00:55

Parental Care

Many animals exhibit parental care behavior, including feeding, grooming, and protecting young offspring. Parental care is universal in mammals and birds, which often have young that are born relatively helpless. Several species of insects and fish, as well as some amphibians, also care for their young.
Fixed Action Patterns01:06

Fixed Action Patterns

A fixed action pattern (FAP) is a specific, hard-wired sequence of behaviors that occurs in response to an external stimulus, called a sign stimulus. The behavior is “fixed” because it is essentially unchangeable—proceeding similarly across individuals of a species every time it occurs.

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Basic Methods for the Study of Reproductive Ecology of Fish in Aquaria
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Paternal care in stickleback fish.

Tina A Barbasch1, Victoria S Farrar1, Colby Behrens2

  • 1Carl R. Woese Institute for Genomic Biology, University of Illinois Urbana Champaign, Urbana, IL 61801, USA; School of Integrative Biology, University of Illinois Urbana Champaign, Urbana, IL 61801, USA.

Current Opinion in Neurobiology
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PubMed
Summary
This summary is machine-generated.

Male sticklebacks provide paternal care, offering insights into behavior

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Last Updated: May 17, 2026

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07:25

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Published on: July 20, 2017

Microinjection for Transgenesis and Genome Editing in Threespine Sticklebacks
08:51

Microinjection for Transgenesis and Genome Editing in Threespine Sticklebacks

Published on: May 13, 2016

Dissection and Flat-mounting of the Threespine Stickleback Branchial Skeleton
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Published on: May 7, 2016

Area of Science:

  • Behavioral neurobiology
  • Evolutionary biology
  • Animal behavior

Background:

  • Parental care exhibits diverse forms, crucial for studying behavior's proximate basis.
  • Three-spined sticklebacks are a model system for neurobiological studies of paternal care, as males exclusively provide it.
  • Natural variation in stickleback populations aids understanding of behavioral variation.

Purpose of the Study:

  • To review the neural, neuroendocrine, genetic, and molecular underpinnings of paternal care in sticklebacks.
  • To explore how natural phenotypic variation informs the proximate basis of behavioral diversity.
  • To investigate conserved mechanisms regulating parental care across vertebrates.

Main Methods:

  • Review of existing literature on stickleback paternal care.
  • Analysis of natural phenotypic variation within and among stickleback populations.
  • Comparative analysis of care-giving and care-losing populations (e.g., white sticklebacks).

Main Results:

  • Natural variation, including the loss of parental care in white sticklebacks, reveals rapid behavioral divergence mechanisms.
  • Comparisons within populations show conserved neural, genomic, and neuroendocrine mechanisms for parental care across vertebrates.
  • Stickleback paternal care mechanisms share similarities with maternal care across vertebrate species.

Conclusions:

  • Three-spined sticklebacks are valuable for studying the neurobiological basis of paternal care.
  • Phenotypic diversity in sticklebacks provides insights into the evolution and proximate mechanisms of behavior.
  • Future neuroscientific tools will enhance understanding of behavioral diversity origins.