Evidence of a landlocked reproducing population of the marine pejerrey Odontesthes argentinensis (Actinopterygii; Atherinopsidae)
- Colautti, Dario César
- Miranda, Leandro Andres
- González Castro, M.
- Villanova, Vanina
- Strüssmann, Carlos A.
- Mancini, Miguel Alberto
- Maiztegui, Tomás
- Berasain, Gustavo
- Hattori, Ricardo Shohei
- Grosman, Manuel Fabián
- Sanzano, Pablo Miguel
- Lozano, I.
- Llamazares Vegh, Sabina
- Salinas, V.
- Del Ponti, O.
- Fresno, P.
- Minotti, Priscilla Gail
- Yamamoto, Y.
- Baigún, C.
DOIAbstract
In South America, the order Atheriniformes includes the monophyletic genus Odontesthes with 20 species that inhabit freshwater, estuarine and coastal environments. Pejerrey Odontesthes argentinensis is widely distributed in coastal and estuarine areas of the Atlantic Ocean and is known to foray into estuaries of river systems, particularly in conditions of elevated salinity. However, to our knowledge, a landlocked self‐sustaining population has never been recorded. In this study, we examined the pejerrey population of Salada de Pedro Luro Lake (south‐east of Buenos Aires Province, Argentina) to clarify its taxonomic identity. An integrative taxonomic analysis based on traditional meristic, landmark‐based morphometrics and genetic techniques...
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