Aquatic Sciences

, Volume 71, Issue 4, pp 479–486 | Cite as

Effects of conspecifics on settling juveniles of the invasive golden mussel, Limnoperna fortunei

  • Paula Sardiña
  • Daniel H. Cataldo
  • Demetrio Boltovskoy
Research Article


We conducted a field experiment to assess the influence of conspecific adults on recruitment success of the golden mussel Limnoperna fortunei. Tiles, 225 cm2 surface area, were used as artificial substrates in four treatments: control (blank tiles), low (800 mussels m−2), medium (4,000 mussels m−2) and high (12,000 mussels m−2) density treatments. Results indicated that recruitment was strongly affected by the presence and density of conspecifics. After one and 3 months of exposure, numbers of recruits were significantly higher on tiles with conspecific adults than on blank tiles, and there was a positive and significant relationship between the number of recruits and the number of adults in the three treatments assayed. Also, after 3 months of exposure, recruits in all treatments with adults present were larger than recruits in the control treatment. Our results suggest that conspecific adults have a positive effect on recruitment success and growth of newly settled juveniles through factors that enhance larval settling or that contribute to the survival of settlers in areas colonized by adult conspecifics.


Limnoperna fortunei Golden mussel Settling Conspecifics Adults Juveniles 



This work was financed by grants UBA X096 from the Universidad de Buenos Aires, and PICT 25275 BID 1728/OC-AR from the Agencia Nacional de Promoción Científica y Tecnológica to DB.


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Copyright information

© Birkhäuser Verlag, Basel/Switzerland 2009

Authors and Affiliations

  • Paula Sardiña
    • 1
    • 2
  • Daniel H. Cataldo
    • 1
    • 2
    • 3
  • Demetrio Boltovskoy
    • 1
    • 2
    • 3
  1. 1.Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)Buenos AiresArgentina
  2. 2.Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”Buenos AiresArgentina
  3. 3.Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y NaturalesUniversidad de Buenos AiresBuenos AiresArgentina

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