Surfing among species, populations and morphotypes: Inferring boundaries between two species of new world silversides (Atherinopsidae)
- González Castro, Mariano
- Rosso, Juan Jose
- Mabragaña, Ezequiel
- Díaz de Astarloa, Juan Martín
DOIAbstract
Atherinopsidae are widespread freshwater and shallow marine fish with singular economic importance. Morphological, genetical and life cycles differences between marine and estuarine populations were already reported in this family, suggesting ongoing speciation. Also, coexistence and interbreeding between closely related species were documented. The aim of this study was to infer boundaries among: (A) Odontesthes bonariensis and O. argentinensis at species level, and intermediate morphs; (B) the population of O. argentinensis of Mar Chiquita Lagoon and its marine conspecifics. To achieve this, we integrated, meristic, Geometrics Morphometrics and DNA Barcode approaches. Four groups were discriminated and subsequently characterized according...
Add to ORKG