ichthyoplankton Argentina 6 larva 6 Bivalvia 4 Copepoda 4 Ichthyoplankton 4 Limnoperna fortunei 4 Pisces 4 Rio de la Plata 4 South America 4 Uruguay 4 bivalve 4 invasive species 4 prey selection 4 zooplankton 4 60-54° W and 34-37° S 2 Animalia 2 Appendicularia (class) 2 Appendicularians 2 Atlantic Ocean 2 Atlantic Ocean (Southwest) 2 Biodiversity 2 Biological organs 2 Buenos Aires [Argentina] 2 Calanoida 2 Copepods 2 Cyanobacteria 2 Cyclopoida 2 Ecological impact 2 Ecological impacts 2