Fifteen years of elasmobranchs trade unveiled by DNA tools: Lessons for enhanced monitoring and conservation actions

Alvarenga, Marcela; Bunholi, Ingrid Vasconcellos; de Brito, Gustavo Reis; Siqueira, Marcos Vinícius Bohrer Monteiro; Domingues, Rodrigo Rodrigues; Charvet, Patricia; Foresti, Fausto; Solé-Cava, Antonio Mateo; da Cruz, Vanessa Paes

doi:10.1016/j.biocon.2024.110543

Biological Conservation

2024

DOI: 10.1016/j.biocon.2024.110543

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Fifteen years of elasmobranchs trade unveiled by DNA tools: Lessons for enhanced monitoring and conservation actions

Marcela Alvarenga,

Ingrid Vasconcellos Bunholi,

Gustavo Reis de Brito

et al.

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2025

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Cited by 2 publications

References 90 publications

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Historical changes in conservation measurements on target, predictable bycatch and bycatch species caught by pelagic longline fisheries in Southwest Atlantic Ocean

Barcellos,

da Silva,

Lessa

2025

Marine Policy

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Historical changes in conservation measurements on target, predictable bycatch and bycatch species caught by pelagic longline fisheries in Southwest Atlantic Ocean

Barcellos,

da Silva,

Lessa

2025

Marine Policy

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Mitochondrial Genome and Phylogenetic Analysis of the Narrownose Smooth-Hound Shark Mustelus schmitti Springer, 1939

Nisa-Castro-Neto,

Wagner,

Kipper

et al. 2024

Animals

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Southern Brazil is home to a large biodiversity of elasmobranchs from the Brazilian coast. Several genera and species of small sharks of the Triakidae family live in this marine environment. Studies on these shark species are scarce, with few genetic data and little information on animal population structures. The present study aimed to sequence the complete mitochondrial genome (mtDNA) of the endangered species Mustelus schmitti (narrownose smooth-hound shark) and to perform a phylogenetic analysis of the Triakidae family. The mtDNA sequenced here was 16,764 bp long and possessed the usual 13 mitochondrial protein coding genes (PCGs), 22 tRNAs, two rRNAs (12S and 16S) and a large D-loop DNA sequence, presenting an overall organization similar to other species from the genus Mustelus. Phylogenetic analyses were performed using a dataset containing this new mtDNA and 59 other mitochondrial genomes of the Carcharhiniformes species (including 14 from the Triakidae family), using the Maximum Likelihood (ML) method. All the species of the Triakidae family were clustered into a monophyletic topology group. In addition, polyphyly was observed in Galeorhinus galeus, Hemiatrakis japanica, Triakis megalopterus and Triakis semifasciata. In conclusion, this study contributes to a deeper understanding of the genetic diversity of sharks and represents an important step towards the conservation of these endangered animals.

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Fifteen years of elasmobranchs trade unveiled by DNA tools: Lessons for enhanced monitoring and conservation actions

Cited by 2 publications

References 90 publications

Historical changes in conservation measurements on target, predictable bycatch and bycatch species caught by pelagic longline fisheries in Southwest Atlantic Ocean

Historical changes in conservation measurements on target, predictable bycatch and bycatch species caught by pelagic longline fisheries in Southwest Atlantic Ocean

Mitochondrial Genome and Phylogenetic Analysis of the Narrownose Smooth-Hound Shark Mustelus schmitti Springer, 1939

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