Abstract
Recently established Asian tiger shrimp Penaeus monodon Fabricius, 1798 consume juvenile blue crabs Callinectes sapidus Rathbun, 1896 and polychaetes in a laboratory diet-choice experiment
Highlights
In freshwater and marine ecosystems, many successful invasive species are decapod crustaceans (Snyder and Evans 2006; Galil et al 2011)
In separate video observations tiger shrimp searched for prey by probing the sediment; juvenile blue crabs Callinectes sapidus Rathbun, 1896 that were buried were located and consumed
Tiger shrimp searched for prey by probing the sediment with their chelae, which often resulted in locating buried juvenile blue crabs
Summary
In freshwater and marine ecosystems, many successful invasive species are decapod crustaceans (Snyder and Evans 2006; Galil et al 2011). Pacific, are farmed widely in aquaculture ponds (Motoh 1985), and have previously established nonnative populations in many locations including West Africa, South America, and the Dominican Republic (Coelho et al 2001; Aguado and Sayegh 2007; Gómez-Lemos and Campos 2008; Ayinla et al 2009). It is unknown how previous invasions have affected local species. Tiger shrimp continue to appear in shrimp trawls off the Atlantic and Gulf Coasts and are considered an established species (Fuller et al 2014)
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