Hormonal Control of Fish Reproduction: Insights From Molecular Endocrinology
A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Aquatic Animals".
Deadline for manuscript submissions: 31 May 2026 | Viewed by 18
Special Issue Editor
Interests: Japanese medaka; zebrafish; thyroid; endocrine disruptors; gametogenesis in fish; steroid hormone receptors in fish; liver and vitellogenin
Special Issue Information
Dear Colleagues,
Reproduction in fish is a very complex process, which is regulated by the hypothalamus–pituitary–gonadal (HPG) axis. The hypothalamus controls the pituitary by releasing gonadotropin-releasing hormone (GnRH), which stimulates the pituitary gland to release gonadotropins (luteinizing hormone (LH) and follicle-stimulating hormone (FSH)). These peptide hormones act on gonads (testes and ovaries) through their specific receptors, prompting the production of sex steroids from the Lydic cells of the testis (testosterone) and the theca and granulosa cells of the ovary (estrogen), which are crucial for gametogenesis (sperm and egg production) and other reproductive processes. Endocrine disruptors (EDCs) can significantly disrupt these pathways and induce reproductive disparities in fish. Understanding the hormonal control of fish reproduction is crucial for improving aquaculture practices. Modern techniques like using GnRH analogs, kisspeptin, and optimizing feeding strategies based on hormonal profiles are helping to enhance fish breeding and seed production. Although not limited, in this Special Issue, we invite articles from authors focusing on the following areas of fish reproduction.
Dr. Asok K. Dasmahapatra
Guest Editor
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Keywords
- gonadotropin-releasing hormones
- gonadotropins
- sex steroids (testosterone, estradiol)
- inhibin
- kisspep-tins
- neuropeptides
- steroidogenesis
- aquaporins
- gene expression
- miRNAs
- epigenetics
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