Understanding the genetics and brain mechanisms of aggression in fighting fish.

Genetics and neurobiology of aggression of Betta splendens

NIH-funded research Columbia Univ New York Morningside · NIH-10902112

This study looks at why some Siamese fighting fish are more aggressive than others by comparing specially bred fish with their calmer wild relatives, hoping to find out which genes and brain functions are behind their fighting behavior.

Quick facts

Grant typeCareer grant
Study typeNIH-funded research
Funding institutionColumbia Univ New York Morningside NIH-funded
Lab location1 site (New York, United States)
Project IDNIH-10902112 on NIH RePORTER

What this research studies

This research investigates the genetic and neurobiological factors that contribute to aggressive behavior in Siamese fighting fish, known as Betta splendens. By comparing highly aggressive bred fish with their less aggressive wild counterparts, the study aims to identify specific genes and neuronal mechanisms that regulate aggression. The research employs advanced behavioral tests and machine-learning tools to analyze fighting behaviors, alongside genetic mapping and neuronal imaging techniques to explore how these genes affect the nervous system. This comprehensive approach could provide insights into the biological underpinnings of aggression.

Who could benefit from this research

Good fit: Ideal candidates for participation or benefit from this research would be individuals interested in the genetic and neurobiological aspects of aggressive behavior, particularly those with conditions related to aggression.

Not a fit: Patients who do not exhibit aggressive behaviors or have no interest in the genetic basis of aggression may not receive any benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to a better understanding of aggression, which may inform treatments for related behavioral disorders in humans.

How similar studies have performed: While the specific approach of using Betta splendens is novel, research in genetics and aggression has shown promise in other animal models, suggesting potential for success.

Where this research is happening

New York, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.