2018
DOI: 10.1038/s41598-018-21683-5
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DNA-based identification reveals illegal trade of threatened shark species in a global elasmobranch conservation hotspot

Abstract: Here, we report trading of endangered shark species in a world hotspot for elasmobranch conservation in Brazil. Data on shark fisheries are scarce in Brazil, although the northern and northeastern regions have the highest indices of shark bycatch. Harvest is made primarily with processed carcasses lacking head and fins, which hampers reliable species identification and law enforcement on illegal catches. We used partial sequences of two mitochondrial genes (COI and/or NADH2) to identify 17 shark species from 4… Show more

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Cited by 78 publications
(101 citation statements)
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“…Our data bolster several recent retail market surveys that have also concluded that the shark fin market is highly diverse and highly endangered (Cardeñosa et al, 2018; Feitosa et al, 2018; Fields et al, 2018; Steinke et al, 2017). Steinke et al (2017) found 20 species in 72 shark samples from Vancouver, Canada.…”
Section: Discussionsupporting
confidence: 81%
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“…Our data bolster several recent retail market surveys that have also concluded that the shark fin market is highly diverse and highly endangered (Cardeñosa et al, 2018; Feitosa et al, 2018; Fields et al, 2018; Steinke et al, 2017). Steinke et al (2017) found 20 species in 72 shark samples from Vancouver, Canada.…”
Section: Discussionsupporting
confidence: 81%
“…Similarly, Cardeñosa et al (2018) found 82 species and species complexes in Hong Kong among small fin discards in 2016. Feitosa et al (2018) found 17 predominantly nearshore species from 427 fin samples collected in northeastern Brazil. In these cases, and the samples reported here, some similarities emerge.…”
Section: Discussionmentioning
confidence: 99%
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