Genetic Differentiation Between Sympatric Crustacean Decapods Inhabiting the Mediterranean Sea: Implications to Avoid Larval and Adult Misidentification

ABSTRACT The conservation of species, especially those with high levels of exploitation and economic interest, relies on the knowledge of their biology and geographical distribution. In the marine realm, similar morphology between species is a common difficulty in identifying sympatric species, espe...

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Bibliographic Details
Published in:Marine ecology (Berlin, West) West), 2024-12, Vol.45 (6), p.n/a
Main Authors: Agulló, Melania, Heras, Sandra, Abras, Alba, García‐Marín, José Luis, Roldán, María Inés
Format: Article
Language:English
Subjects:
16S rDNA
adults
Aquatic crustaceans
Aristaeomorpha foliacea
Atlantic Ocean
crustacean decapods
Crustaceans
Developmental stages
Differentiation
DNA barcoding
domain
Freshwater crustaceans
genes
Genetic analysis
genetic differentiation
genetic testing
genetic variation
Geographical distribution
Identification methods
larvae
Marine biology
Marine crustaceans
marine science
Mediterranean Sea
Melicertus kerathurus
Parapenaeus longirostris
rRNA 16S
Shellfish
shrimp
Shrimps
Species
Sympatric populations
sympatry
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Summary:ABSTRACT The conservation of species, especially those with high levels of exploitation and economic interest, relies on the knowledge of their biology and geographical distribution. In the marine realm, similar morphology between species is a common difficulty in identifying sympatric species, especially in early stages of development. Therefore, genetic identification of crustacean species has been shown to be the only way to identify the species. We used a 451‐bp fragment of the 16S rDNA gene to differentiate nine species of decapod crustaceans, five of which are sympatric and heavily exploited in the Mediterranean Sea: Aristeus antennatus (blue and red shrimp), A. virilis (stout red shrimp), A. varidens (striped red shrimp), Aristaeomorpha foliacea (giant red shrimp), Aristaeopsis edwardsiana (scarlet shrimp), Gennadas elegans (graceful blunt‐tail prawn), Gennadas valens (valuable blunt‐tail prawn), Parapenaeus longirostris (deep‐water rose shrimp) and Penaeus kerathurus (camarote prawn). Analysis of the 16S rDNA gene provides clear evidence of genetic differentiation to be used as an easy method to identify these species.
ISSN:0173-9565
1439-0485
DOI:10.1111/maec.12834