Native and Introduced Actinopterygii Fishes: Genetic Diversity and Their Environmental Effects

A special issue of Diversity (ISSN 1424-2818). This special issue belongs to the section "Animal Diversity".

Deadline for manuscript submissions: 31 July 2026 | Viewed by 306

Special Issue Editor


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Guest Editor
Aquatic Molecular Genetics and Biotechnology Research Team, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani 12120, Thailand
Interests: population genetics and genomics; genetic improvement of fish and shrimp; eDNA

Special Issue Information

Dear Colleagues,

Ray-finned fishes (Actinopteyigii) are found in diverse marine and freshwater habitats. More than 30,000 species are recognized; many are commercially important in fisheries and aquaculture. In addition, the ornamental fish trade is also an important industry worldwide. Introducing non-indigenous (alien) species to new environments has become a global challenge. The ecological and genetic consequences of fish introductions and translocations are of concern. Therefore, the effects of introduced species on new habitat varieties should be examined.

Genetic diversity is one of the key factors for the adaptation and long-term evolution of populations and species in changing environments. In many cases, introduced species spread and are established outside their natural home range, which usually affects native species and ecosystems. The invasion's success is critically related to the genetic properties of introduced species or populations. This Special Issue examines the significance of introduction and translocation, concentrating on the genetic diversity of native and/or introduced Actinopteyigii fish species and their consequent genetic and environmental impacts on native species. I am pleased to invite you to contribute to this important issue.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following: genetic diversity of native and/or purposeful (success or failure) introduced Actinopteyigii species; genetic impact of introduced fishes on native species; differentiation between native and introduced species (stocks) by molecular markers; and sustainable ecosystem management strategies for invasive species. This information could be used for evidence-based conservation and management practices.

We look forward to your contributions.

Dr. Sirawut Klinbunga
Guest Editor

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Keywords

  • Actinopteyigii
  • genetic diversity
  • molecular population genetics
  • population genomics
  • conservation genetics
  • genetics and fisheries
  • aquaculture genetics
  • exotic species
  • escapee
  • environmental impacts

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Published Papers (1 paper)

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Research

16 pages, 2915 KB  
Article
Genetic Differences Between Wild Transplanted and Farmed Populations of Banggai Cardinalfish Pterapogon kauderni Based on Mitochondrial Control Region and SNP Polymorphism
by Sirikan Prasertlux, Sirithorn Janpoom, Onchuda Ratdee, Sureerat Tang, Wanwipa Ittarat, Sirawut Klinbunga and Bavornlak Khamnamtong
Diversity 2025, 17(11), 754; https://doi.org/10.3390/d17110754 - 28 Oct 2025
Viewed by 129
Abstract
Genetic diversity and population differentiation of an aquaculture population of Banggai cardinalfish (Pterapogon kauderni) introduced and maintained in Phang Nga province, Southern Thailand (A1, N = 45) was examined using control region (CR) polymorphism in comparison with three wild [...] Read more.
Genetic diversity and population differentiation of an aquaculture population of Banggai cardinalfish (Pterapogon kauderni) introduced and maintained in Phang Nga province, Southern Thailand (A1, N = 45) was examined using control region (CR) polymorphism in comparison with three wild transplanted populations from Gilimanuk Bay (Bali), collected in 2019 (W1, N = 25), Banyuwangi (East Java), collected in 2024 (W2, N = 22), and Gilimanuk Bay (Bali), collected in 2024 (W3, N = 39). In total, 14 haplotypes were identified. Haplotype 3 was found in all populations, while haplotype 4 was found in wild transplanted but not in aquaculture populations. The remaining (12) haplotypes were private haplotypes. Of these, five private haplotypes (H5, H6, H7, H8 and H9) were found only in the A1 population. Moreover, genome-wide single nucleotide polymorphisms (SNPs) in P. kauderni from A1 (N = 21), W2 (N = 15) and W3 (N = 15) populations were also analyzed by Specific Locus Amplified Fragment-Sequencing (SLAF-Seq). In total, 648,378 SNPs were identified. By analyzing both mitochondrial DNA and SNP markers, significant genetic differences were clearly found between farmed and wild transplanted populations of P. kauderni. Reduced genetic diversity was found in a farmed population from genome-wide SNPs but not mtDNA analyses. Full article
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