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Fishes
Special Issues
Advances in Fish Reproductive Physiology
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Advances in Fish Reproductive Physiology

A special issue of Fishes (ISSN 2410-3888). This special issue belongs to the section "Physiology and Biochemistry".

Deadline for manuscript submissions: 30 June 2025 | Viewed by 3095

Special Issue Editors

Dr. Walisson De Souza e Silva

E-Mail Website
Guest Editor
Escuela de Ciencias del Mar, Facultad de Ciencias del Mar y Geografía, Pontificia Universidad Católica de Valparaíso, Valparaíso, Avenida Universidad, 330, Curauma, Valparaíso 2373223, Chile
Interests: reproductive physiology; fish reproduction; gametogenesis; endocrine regulation; gonadal development; spawning cycles; reproductive hormones; environmental influences; fish fertility; aquaculture breeding
Prof. Dr. Deliane Cristina Costa

E-Mail Website
Guest Editor
Animal Science, State University of Mato Grosso do Sul, Aquidauana Unit, Aquidauana, Mato Grosso do Sul 79200-000, Brazil
Interests: reproductive physiology; fish reproduction; gametogenesis; endocrine regulation; gonadal development; spawning cycles; reproductive hormones; environmental influences; fish fertility; aquaculture breeding
Prof. Dr. Wei Ge

E-Mail Website
Guest Editor
Department of Biomedical Sciences and Centre of Reproduction, Development and Aging (CRDA), Faculty of Health Sciences, University of Macau, Taipa, Macao SAR, China
Interests: fish reproduction; ovarian differentiation and development; folliculogenesis; hypothalamic-pituitary-gonadal (HPG) axis; zebrafish
Dr. Raphael Nogueira Bahiense

E-Mail Website
Guest Editor Assistant
Escuela de Ciencias del Mar, Facultad de Ciencias del Mar y Geografía, Pontificia Universidad Católica de Valparaíso, Valparaíso, Avenida Universidad, 330, Curauma, Valparaíso 2373223, Chile
Interests: reproductive physiology; fish reproduction; gonadal development; environmental influences; fish fertility; aquaculture breeding

Special Issue Information

Dear Colleagues,

Understanding the reproductive physiology of fish is crucial for enhancing aquaculture production, conserving endangered species, and managing wild populations. Fish exhibit diverse reproductive strategies influenced by environmental, hormonal, and genetic factors, making them an excellent model for studying reproductive biology. Despite significant progress, many aspects of fish reproductive physiology, such as endocrine regulation, environmental triggers, and the impact of stressors, remain underexplored.

This Special Issue aims to provide a comprehensive collection of studies that advance our understanding of the mechanisms underlying fish reproduction. We welcome original research articles, reviews, mini-reviews, and perspectives that explore various facets of fish reproductive physiology. Topics may include but are not limited to gonadal development, gametogenesis, reproductive endocrinology, spawning behavior, environmental influences on reproduction, and the impact of aquaculture practices on reproductive health.

This Special Issue will highlight innovative approaches and novel findings that can contribute to sustainable fish management and breeding programs.

We look forward to your valuable contributions to this Special Issue, which will provide an important platform for advancing the field of fish reproductive physiology.

Dr. Walisson De Souza e Silva
Prof. Dr. Deliane Cristina Costa
Prof. Dr. Wei Ge
Guest Editors

Dr. Raphael Nogueira Bahiense
Guest Editor Assistant

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Fishes is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • reproduction
  • fish
  • endocrinology
  • gametogenesis
  • spawning
  • hormones
  • gonads
  • aquaculture
  • ovulation
  • spermatogenesis

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

17 pages, 14593 KiB  
Article
Characterization and Differential Expression of Sex Genes in Adults of Tropical Gar (Atractosteus tropicus)
by Otilio Méndez-Marin, María de Lourdes Jiménez-Badillo, Carina Shianya Álvarez-Villagomez, Talhia Martínez-Burguete, Uriel Rodriguez-Estrada, Gloria Gertrudys Asencio-Alcudia, Graciela María Pérez-Jiménez, Gabriela Galindo-Cortés, Virgilio Eugenio Arenas-Fuentes, Rafael Martínez-García, Luis Daniel Jiménez-Martínez and Carlos Alfonso Alvarez-González
Fishes 2025, 10(3), 94; https://doi.org/10.3390/fishes10030094 - 23 Feb 2025
Viewed by 550
Abstract
The tropical gar (Atractosteus tropicus) is a primitive freshwater fish of significant commercial importance in southeastern Mexico. However, its population is in danger due to habitat loss and overexploitation. Cultivation emerges as a viable reproductive management strategy; yet further studies are [...] Read more.
The tropical gar (Atractosteus tropicus) is a primitive freshwater fish of significant commercial importance in southeastern Mexico. However, its population is in danger due to habitat loss and overexploitation. Cultivation emerges as a viable reproductive management strategy; yet further studies are crucial to understanding molecular markers guiding reproductive management, differentiation, and sexual maturation in this species. We analyzed the expression of five sex-related genes (foxl2, sox9, cyp17a1, dmrt1, and cyp19a1) in the brain, liver, and gonads of adult A. tropicus (four females and five males). Methodologically, we collected samples and conducted RNA extraction, cDNA synthesis, and gene expression analysis using qPCR. The gonadal histology provided morphological context that reveals that the differential expression of genes establishes differences between sexes. The sexual phenotype of females is observed with the high expression of dmrt1, while in males, there is a reduction in the expression of dmrt1 and high levels of sox9, foxl2, and cyp17a1. Our findings establish dmrt1 and cyp19a1 as potential sex biomarkers and provide a molecular basis for developing sexing protocols in A. tropicus. Full article
(This article belongs to the Special Issue Advances in Fish Reproductive Physiology)
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19 pages, 12715 KiB  
Article
Artificial Induction of Spawning in Threeline Grunt, Parapristipoma trilineatum Under Controlled Environmental Conditions
by Jin Woo Park, Jeong-Hyeon Cho, Seong Il Baek, Kang-Hee Im and Yong-Woon Ryu
Fishes 2024, 9(11), 453; https://doi.org/10.3390/fishes9110453 - 7 Nov 2024
Viewed by 2127
Abstract
The threeline grunt (Parapristipoma trilineatum) is a recently introduced aquaculture species that has attracted considerable interest in Korea. However, research on its aquaculture potential and reproductive biology remains limited. This study aimed to investigate the natural reproductive cycle and the feasibility of [...] Read more.
The threeline grunt (Parapristipoma trilineatum) is a recently introduced aquaculture species that has attracted considerable interest in Korea. However, research on its aquaculture potential and reproductive biology remains limited. This study aimed to investigate the natural reproductive cycle and the feasibility of manipulating the spawning period of the threeline grunt through environmental control. We designed an environmental changes protocol involving a gradual increase in water temperature (16 °C → 21 °C) and extension of photoperiod (10 L → 14 L) from January to April and compared the group exposed to these conditions to those maintained under natural conditions. The experimental group exhibited significantly higher plasma sex steroid hormone levels at 60 and 90 days and significantly higher gonadosomatic index at 100 days. In addition, the experimental group spawned between April and June, approximately 2 months earlier than that of the control group. Despite earlier spawning, no significant differences were found in egg diameter, hatching rate, and larval notochord length. These findings suggest that spawning can be accelerated through photothermal changes without negatively impacting egg and larval quality. This study provides valuable insights into the reproductive biology of the threeline grunt and highlights the potential of utilizing photothermal control to enhance its aquaculture production. Full article
(This article belongs to the Special Issue Advances in Fish Reproductive Physiology)
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