Artículo de publicación ISICrustaceans are common and conspicuous in a wide range of environments, particularly in the marine realm. Despite their high diversity and abundance, many aspects of their natural history and general biology remain little known. The diversity and often contrasting life history strategies of crustaceans make it difficult and in some cases impossible to generalize broadly. Among the many topics treated in comparative studies of crustaceans, their behavioral ecology has received increasing interest.