ArticleScientific reports2022
Molecular phylogenetic and morphometric analysis of population structure and demography of endangered threadfin fish Eleutheronema from Indo-Pacific waters.
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed.
- Environmental lead (Pb) contamination in coastal fish: Tissue-specific bioaccumulation, histopathology, and health risk assessment in South Sumatra, Indonesia.Toxicology reports · 2026Article
- Divergent selection, recombination variability, and noncoding introgression drive speciation and adaptation in threadfin Eleutheronema.Communications biology · 2025Article
- Genomic evidence for demographic fluctuations, genetic burdens and adaptive divergence in fourfinger threadfinMarine life science & technology · 2025Article
- Diversity of life history and population connectivity of threadfin fish Eleutheronema tetradactylum along the coastal waters of Southern China.Scientific reports · 2023Article
- Genome-wide identification and expression profile of Elovl genes in threadfin fish Eleutheronema.Scientific reports · 2023Article
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Authors and funding
6 authors.
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Abstract
The threadfin Eleutheronema are the important fishery resources in Indo-Pacific regions and classified as the endangered species with considerable conservation values. Their genetic diversity and population structure remain essentially unknown but are critical for the proper management and sustainable harvests of such important fisheries. Here, the mitochondrial DNA sequences of CO1 and 16s rRNA were determined from 75 individuals of Eleutheronema tetradactylum and 89 individuals of Eleutheronema rhadinum collected from different locations of South China Sea and Thailand coastal waters. Genetic diversity analysis revealed that both E. tetradactylum (Haplotype diversity, H = 0.105-0.211; Nucleotide diversity, π = 0.00017-0.00043) and E. rhadinum (H = 0.074-0.663, π = 0.00013-0.01088) had low diversity. Population structure analysis demonstrated the shallow genetic differentiation among the South China Sea populations. The limited communication between China and Thailand populations caused the high genetic differentiation in all groups due to the low dispersal ability. Reconstruction of CO1 phylogenetic relationships and demographic studies across Indo-West-Pacific regions provided strong evidence for a shared common origin or ancestor of E. tetradactylum and E. rhadinum. Eleutheronema rhadinum were further subdivided into two distinct genetic lineages, with Clade A dominantly distributing in Thailand and Malaysia and Clade B distributing in China coastal waters. Phenotypic divergence, characterized mainly by the depth of caudal peduncle and length of caudal peduncle, was also observed for all populations, which was possibly associated with specific local adaptations to environmental changes. Our study suggested a strong need for the development of proper fishery management strategies and conservation actions for the imperiled Eleutheronema species.
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