ArticleCommunicative & integrative biology2013
Feed or fight: A behavioral shift in blind cavefish.
Article in Communicative & integrative biology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 29 citations in OpenAlex.
- Mechanisms of social behaviour in the anti-social blind cavefish (Proceedings. Biological sciences · 2025Article
- Unraveling the periprandial changes in brain serotonergic activity and its correlation with food intake-related neuropeptides in rainbow troutFrontiers in endocrinology · 2023Article
- Quantitative Lipidomics and Spatial MS-Imaging Uncovered Neurological and Systemic Lipid Metabolic Pathways Underlying Troglomorphic Adaptations in Cave-Dwelling Fish.Molecular biology and evolution · 2022Article
- Evolution of acoustic communication in blind cavefish.Nature communications · 2019Article
- Article
- Appetite-Controlling Endocrine Systems in Teleosts.Frontiers in endocrinology · 2017Review
- Article
Corrections and comments
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Authors and funding
2 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Within the species Astyanax mexicanus, there are several inter-fertile populations of river-dwelling sighted fish and cave-dwelling blind fish which have evolved morphological and behavioral adaptations. We have recently reported a developmental and neurophysiological basis for the loss of aggressive behavior in the blind cavefish morph of Astyanax. Using an appropriate behavioral assay, we have shown that surface Astyanax show intense dominance-related aggressiveness. The expression of this behavior is inversely correlated with the serotonin (5HT) levels in their hindbrain raphe nucleus. Moreover this behavior is not solely visually-evoked and has a genetic component. Conversely in cavefish, there is no raphe-driven dominance aggressiveness. Instead, the embryonic Sonic Hedgehog-dependent modification of the size of a serotonergic neuronal group localized in their hypothalamus causes a shift in their behavioral pattern: instead of fighting, they search for food. Here we further discuss the origin and nature of this behavioral shift.
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Registered trials
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