Mating experiences with the same partner enhanced mating activities of naïve male medaka fish

Abstract Mating experience shapes male mating behavior across species, from insects, fish, and birds, to rodents. Here, we investigated the effect of multiple mating experiences on male mating behavior in “naïve” (defined as sexually inexperienced) male medaka fish. The latency to mate with the same...

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Main Authors: Masahiro Daimon, Takafumi Katsumura, Hirotaka Sakamoto, Satoshi Ansai, Hideaki Takeuchi
Format: Article
Language:English
Published: Nature Portfolio 2022-11-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-022-23871-w
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author Masahiro Daimon
Takafumi Katsumura
Hirotaka Sakamoto
Satoshi Ansai
Hideaki Takeuchi
author_facet Masahiro Daimon
Takafumi Katsumura
Hirotaka Sakamoto
Satoshi Ansai
Hideaki Takeuchi
author_sort Masahiro Daimon
collection DOAJ
description Abstract Mating experience shapes male mating behavior across species, from insects, fish, and birds, to rodents. Here, we investigated the effect of multiple mating experiences on male mating behavior in “naïve” (defined as sexually inexperienced) male medaka fish. The latency to mate with the same female partner significantly decreased after the second encounter, whereas when the partner was changed, the latency to mate was not decreased. These findings suggest that mating experiences enhanced the mating activity of naïve males for the familiar female, but not for an unfamiliar female. In contrast, the mating experiences of “experienced” (defined as those having mated > 7 times) males with the same partner did not influence their latency to mate. Furthermore, we identified 10 highly and differentially expressed genes in the brains of the naïve males after the mating experience and revealed 3 genes that are required for a functional cascade of the thyroid hormone system. Together, these findings suggest that the mating experience of naïve male medaka fish influences their mating behaviors, with neural changes triggered by thyroid hormone activation in the brain.
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spelling doaj.art-686a8b55c0174a7ca84870b94178fa792022-12-22T04:15:07ZengNature PortfolioScientific Reports2045-23222022-11-011211810.1038/s41598-022-23871-wMating experiences with the same partner enhanced mating activities of naïve male medaka fishMasahiro Daimon0Takafumi Katsumura1Hirotaka Sakamoto2Satoshi Ansai3Hideaki Takeuchi4Graduate School of Life Sciences, Tohoku UniversityGraduate School of Natural Science and Technology, Okayama UniversityGraduate School of Natural Science and Technology, Okayama UniversityGraduate School of Life Sciences, Tohoku UniversityGraduate School of Life Sciences, Tohoku UniversityAbstract Mating experience shapes male mating behavior across species, from insects, fish, and birds, to rodents. Here, we investigated the effect of multiple mating experiences on male mating behavior in “naïve” (defined as sexually inexperienced) male medaka fish. The latency to mate with the same female partner significantly decreased after the second encounter, whereas when the partner was changed, the latency to mate was not decreased. These findings suggest that mating experiences enhanced the mating activity of naïve males for the familiar female, but not for an unfamiliar female. In contrast, the mating experiences of “experienced” (defined as those having mated > 7 times) males with the same partner did not influence their latency to mate. Furthermore, we identified 10 highly and differentially expressed genes in the brains of the naïve males after the mating experience and revealed 3 genes that are required for a functional cascade of the thyroid hormone system. Together, these findings suggest that the mating experience of naïve male medaka fish influences their mating behaviors, with neural changes triggered by thyroid hormone activation in the brain.https://doi.org/10.1038/s41598-022-23871-w
spellingShingle Masahiro Daimon
Takafumi Katsumura
Hirotaka Sakamoto
Satoshi Ansai
Hideaki Takeuchi
Mating experiences with the same partner enhanced mating activities of naïve male medaka fish
Scientific Reports
title Mating experiences with the same partner enhanced mating activities of naïve male medaka fish
title_full Mating experiences with the same partner enhanced mating activities of naïve male medaka fish
title_fullStr Mating experiences with the same partner enhanced mating activities of naïve male medaka fish
title_full_unstemmed Mating experiences with the same partner enhanced mating activities of naïve male medaka fish
title_short Mating experiences with the same partner enhanced mating activities of naïve male medaka fish
title_sort mating experiences with the same partner enhanced mating activities of naive male medaka fish
url https://doi.org/10.1038/s41598-022-23871-w
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