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Fishes
Special Issues
Reproductive Biology of Fish: Past, Present and Future
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Reproductive Biology of Fish: Past, Present and Future

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

Deadline for manuscript submissions: closed (15 July 2023) | Viewed by 1902

Special Issue Editor

Dr. Olga Bondarenko

E-Mail Website
Guest Editor
Faculty of Fisheries and Protection of Waters, University of South Bohemia in České Budějovice, České Budějovice, Czech Republic
Interests: sperm maturation; spermatozoa activation and motility; osmo resistance; sperm storage; cell signaling

Special Issue Information

Dear Colleagues,

The importance of studies in area of fish reproduction is hard to overrate. Artificial reproduction is a key element in aquaculture, that allows to maintain and increase population of market species and intent to preserve the endangered ones. The field of reproductive biology covers wide range of areas, including but not limited to gametogenesis, gamete activation and navigation, fertilization and embryo development, preservation of gametes and embryos.

In this Special Issue we welcome original research papers, short communications, case reports and review, dealing with all aspects of reproductive physiology in fishes. Reviews articles that summaries the greatest achievements in the past with further perspectives in the future of aspects in fish reproduction are also appreciated.

Dr. Olga Bondarenko
Guest Editor

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.

Published Papers (1 paper)

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Research

20 pages, 76710 KiB  
Article
Handling Effects on Histological Identification of Female Reproductive Status: Examples from Tropical Deepwater Snappers
by Eva Schemmel and Nancy J. Brown-Peterson
Fishes 2023, 8(8), 406; https://doi.org/10.3390/fishes8080406 - 4 Aug 2023
Viewed by 1445
Abstract
Post-mortem ovarian tissue degradation from handling effects, such as delays in preservation, can lead to inaccurate reproductive assessments. Therefore, it is important to understand the differences between handling effects and natural ovarian atresia. Seven treatments of various holding temperatures and times to preservation [...] Read more.
Post-mortem ovarian tissue degradation from handling effects, such as delays in preservation, can lead to inaccurate reproductive assessments. Therefore, it is important to understand the differences between handling effects and natural ovarian atresia. Seven treatments of various holding temperatures and times to preservation were applied to whole fish and extracted ovaries of three tropical deepwater snapper species. Ovarian post-mortem degradation was observed at 12 h at ambient temperature and after 48 h iced or refrigerated for both whole fish and extracted ovaries; however, degradation did not adversely affect correct reproductive phase classification in fishes stored in ice from 12 to 48 h post-capture. A clear histological indicator of post-mortem degradation was the breakdown of ooplasm organelles at the oocyte periphery observed in vitellogenic and cortical alveolar oocytes. However, the chorion typically remains intact during post-mortem degradation, in contrast to natural atresia. Effects on post-ovulatory follicles were most discernible after 96 h on ice or refrigeration. Freezing gonadal tissue resulted in drastic changes to oocyte shape and morphology, making reproductive phase classification challenging. We advise that (1) freezing ovaries should be avoided where possible, and (2) gonad tissue should ideally be preserved immediately but no later than 48 h post-capture. Full article
(This article belongs to the Special Issue Reproductive Biology of Fish: Past, Present and Future)
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