Daily Rhythm of Feeding Activity of the Freshwater Crab Dilocarcinus Pagei Pagei in the Rio Pilcomayo National Park, Formosa, Argentina

Abstract

"Proceedings of the Crustacean Society 2000 Summer Meeting, held June 26-30, 2000, in Puerto Vallarta, Mexico"--Title page verso. Seasonal Rhythm of Serotonin Content in the Crayfish Eyestalk -- Brain Electrical Signals in Unrestrained Crayfish -- Diel Activity Rhythm in Callinectes Ornatus Ordway, 1863 and Callinectes Danae Smith, 1869 (Brachyura, Portunidae) Under Laboratory Conditions -- Ultrastructural and Biochemical Studies of the Branchiostegite of the Bimodal Breathing Crab Chasmagnathus Granulata Dana, 1851 -- Polyclonal Antisera Against Estuarine Crustacean Vitellins: A Molecular Approach to Reproductive Endocrinology and Toxicology -- Cytoarchitecture of the Hepatopancreas of Three Species of Crabs from Mar Chiquita Lagoon, Argentina -- Acclimation of Adult Males of Litopenaeus Setiferus Exposed at 27[degree]C and 31[degree]C: Bioenergetic Balance -- Evaluation of Leguminous Seed Meals (Rynchosia Minima and Cajanus Cajan) as Plant Protein Sources in Diets for Juvenile Litopenaeus Vannamei -- Histological Alterations in Hepatopancreas of Farfantepenaeus Aztecus Caused by the Cestode Gilquinia Sp. in Tamiahua Lagoon, Veracruz, Mexico -- Histological Alterations in Macrobrachium Panamensis Caused by Probopyrus Sp -- Hepatopancreas Structure of Palaemonetes Argentinus (Decapoda, Caridea) Fed Different Levels of Dietary Cholesterol -- Comparative Evaluation of Different Animal Protein Source in Juveniles of Pleoticus Muelleri (Crustacea, Penaeoidea) -- Effect of Different Dietary Arginine and Lysine Levels for Argentine Prawn Artemesia Longinaris Bate (Crustacea, Decapoda, Penaeidea) -- Vitamin E Requirement of the Prawn Artemesia Longinaris (Decapoda, Penaeidae) -- Distribution and Abundance of Diacyclops Sp. (Crustacea: Copepoda) in Gabriel Cave, Oaxaca, Mexico -- Distribution and Ecology of Isopods (Crustacea: Peracarida: Isopoda) of the Pacific Coast of Mexico -- Abundance and Distribution of Commensal Amphipods from Common Marine Sponges of Southeast Florida -- Population Structure of the Macrobenthic Amphipod Hyalella Azteca Saussure (Crustacea: Peracarida) on the Littoral Zone of Six Crater Lakes -- Composition and Abundance of Shrimp Species (Penaeidea and Caridea) in Fortaleza Bay, Ubatuba, Sao Paulo, Brazil -- Population Study of Macrobrachium Tenellum (Smith 1871) in Coyuca de Benitez Lagoon, Guerrero, Mexico -- Gastropod Shells or Gastropod Tubes? Shelter Choice in the Hermit Crab Calcinus Verrilli -- Hermit Crab Fauna from the Infralittoral Zone of Anchieta Island (Ubatuba, Brazil) -- Breeding Season of the Hermit Crab Petrochirus Diogenes (Anomura: Diogenidae) in the North Coast of Sao Paulo State, Brazil -- Distribution and Abundance of the Family Calappidae off the Coast of Jalisco and Colima, Mexico -- Sexual Maturity of Eurytium Limosum (Say, 1818) from a Subtropical Mangrove in Brazil -- Panopeid Crabs (Crustacea: Brachyura: Panopeidae) Associated with Prop Roots of Rhizophora Mangle L. in a Tropical Coastal Lagoon of the SE Gulf of California, Mexico -- Daily Rhythm of Feeding Activity of the Freshwater Crab Dilocarcinus Pagei Pagei in the Rio Pilcomayo National Park, Formosa, Argentina -- Population Structure of the Freshwater Crab Trichodactylus Fluviatilis Latreille, 1828 (Decapoda, Trichodactylidae) in Ubatuba, Northern Coast of Sao Paulo State, Brazil -- Size Variation in the Grapsid Crab Aratus Pisonii (H. Milne-Edwards, 1837) Among Populations of Different Subtropical Mangroves -- Morphometric Study of the Ghost Crab Ocypode Quadrate (Fabricius, 1887) (Brachyura, Ocypodidae) from Ubatuba, Sao Paulo, Brazil -- Shallow-Water Benthic Decapod Crustaceans of Chankanaab Park, Cozumel Island, Mexico -- Symbiosis Between Portunus Spinimanus (Decapoda, Portunidae) and Octolasmis Lowei (Thoracica, Poecilasmatidae) from Ubatuba, Sao Paulo, Brazil -- Habitat Specialization and Its Relation to Conservation Policy in Crustacea -- Temporary Water Crustaceans: Biodiversity and Habitat Loss -- Distribution of Continental Shelf Decapoda Crustaceans Along the American Pacific Coast -- Distribution of Intertidal Non-Brachyuran Decapods from the Gulf of California Islands and Its Biogeographical Implications -- Conservation of Continental Copepod Crustaceans -- Ostracoda (Crustacea) from the Lowland Floodplain of the River Pripyat -- Effects of Abandoned Mine Drainage on Crayfish Distribution Along a pH Gradient -- Large Freshwater Branchiopods in Austria: Diversity, Threats and Conservational Status -- Microsatellites in Shrimp Species -- A Scenario for the Evolution of the Rhizocephala -- Morphological Variation in the Crayfish Cambarellus (Cambarellus) Montezumae (Decapoda: Cambaridae) -- Phylogenetic Relationships in Some Species of the Genus Macrobrachium Based on Nucleotide Sequences of the Mitochondrial Gene Cytochrome Oxidase I -- The First Two Larval Stages of Two Freshwater Shrimps Genus Macrobrachium (Decapoda, Palaemonidae) Reared in the Laboratory, with a Discussion on the Significance of Abbreviated Development for the Radiation of the Genus -- A New Species of Leidya Cornalia and Panceri, 1861, and the First Record of the Genus Lobocepon Nobili, 1905, Both from the Eastern Pacific Ocean, with a Review of the Parasites of Grapsid Crabs Worldwide (Isopoda, Bopyridae, Ioninae).