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Registros recuperados: 18
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A new species of Freshwater Prawn, Macrobrachium Johnsoni spec. nov. (Decapoda: Caridea: Palaemonidae) from Peninsular Malaysia, and a description of its First Zoea Naturalis
Chong, S.S.C.; Khoo, H.W..
A new species of freshwater prawn of the family Palaemonidae, Macrobrachium johnsoni spec. nov., is described from southern Peninsular Malaysia. Notes on live colouration, habitat, and larval development are provided. The first zoea of this new species is also described in detail. A comparison is made between M. johnsoni and a closely related species, M. pilimanus (De Man, 1879).
Tipo: Article / Letter to the editor Palavras-chave: Decapoda; Caridea; Palaemonidae; Macrobrachium; New species; Peninsular Malaysia; Larval development; 42.74.
Ano: 1987 URL: http://www.repository.naturalis.nl/record/318094
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A new species of palaemonid shrimp, Chacella tricornuta spec. nov (Crustacea: Decapoda: Palaemonidae) from the southeastern Gulf of California, Mexico Naturalis
Hendrickx, M.E..
A new species of the palaemonid shrimp genus Chacella Bruce is described from the Gulf of California, Mexico, in the eastern Pacific, and represents the second known species of this genus. The type-species, Chacella kerstitchi (Wicksten, 1983), was described from a single female captured off the coast of San Carlos, Sonora, in the Central Gulf of California.
Tipo: Article / Letter to the editor Palavras-chave: Crustacea; Decapoda; Caridea; Palaemonidae; Chacella tricornuta spec. nov. Gulf of California; 42.74.
Ano: 1990 URL: http://www.repository.naturalis.nl/record/318292
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Atyidae and Palaemonidae (Crustacea: Decapoda: Caridea) of Bocas del Toro, Panama. Repositório Alice
TORATI, L. S.; DE GRAVE, S.; PAGE, T. J.; ANKER, A..
The present contribution is a preliminary report on the freshwater caridean fauna of Bocas del Toro province, northeastern Panama, based on field collections carried out during a Shrimp Taxonomy Workshop at the STRI station in Bocas del Toro in August 2008. A total of eight species from two families, Atyidae and Palaemonidae, were collected at 17 different collection sites in the rivers, streams and ponds on several islands of the Bocas del Toro archipelago and the adjacent mainland. The species reported herein are Atya scabra (Leach, 1815), Jonga serrei (Bouvier, 1909), Micratya poeyi (Guérin-Méneville, 1855), Potimirim glabra (Kingsley, 1878), P. potimirim (Müller, 1881) (Atyidae), Palaemon pandaliformis (Stimpson, 1871), Macrobrachium acanthurus...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Panamá; Crustáceo; Camarão; Palaemonidae; Crustacea.
Ano: 2011 URL: http://www.alice.cnptia.embrapa.br/handle/doc/917857
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Evaluación de palaemonetes argentinus (Decapoda, Natantia) en el control biológico de larvas de Culex pipiens (Diptera, Culicidae) en condiciones de laboratorio Iheringia, Sér. Zool.
Giri,Federico; Collins,Pablo.
The predator-prey relationship of Palaemonetes argentinus Nobili, 1901 and Culex pipiens s.l. larvae was studied under laboratory conditions. The prawns were separated in two groups, isolated and grouped ones. Mosquitoe larvae were offered to prawns in two forms, limited and unlimited offer to both groups. In the first analysis, values of predation did not differ significantly between males and females of P. argentinus. Predation in 24 h was 14,9 ± 4,2 larvae/prawn. A reduction of predation was observed with unlimited offer for the same hour, during all the experiment. Predation with unlimited offer was higher on the first day than on the second, but returned to high values on the third day, for both groups. In the grouped experiment, predation with...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Palaemonidae; Palaemonetes; Culex; Biological control.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212003000300002
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First record of a pontoniine shrimp (Caridea, Palaemonidae) in association with a boring bivalve of the genus Spengleria (Bivalvia, Euheterodonta, Gastrochaenidae) Naturalis
Fransen, C.H.J.M.; Meij, S.E.T. van der.
During fieldwork in Raja Ampat, West Papua, Indonesia, in 2007, a pontoniine shrimp, most likely belonging to the genus Anchistus, was collected from a coral boring bivalve of the genus Spengleria. This is the first record of a pontoniine shrimp living in association with a boring bivalve. As it probably concerns a juvenile shrimp, its identity remains unclear. Its affinities with the Indo-West Pacific mollusc-associated genera and with congenerics are discussed.
Tipo: Article / Letter to the editor Palavras-chave: Shrimps; Caridea; Palaemonidae; Bivalves; Bivalvia; Euheterodonta; Gastrochaenidae; West Papua; Indonesia.
Ano: 2010 URL: http://www.repository.naturalis.nl/record/409048
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Growth, molt and survival of Palaemonetes argentinus (Decapoda, Caridea) under different light-dark conditions Iheringia, Sér. Zool.
Díaz,Ana Cristina; Sousa,Liliana G.; Cuartas,Elena I.; Petriella,Ana María.
Growth, survival and molting rate in Palaemonetes argentinus Nobili, 1901 were compared under different light-dark conditions. During 80 days, 150 immatures of both sexes (initial mean weight 0.09±0.002g), from Los Padres lagoon, Mar del Plata, Argentina, were maintained in aquaria at 19±0.4°C under three light conditions: 0:24, 10:14 and 13:11 (L-D). They were fed daily on an artificial diet (45% proteins, 17.2% lipids, 7% water, 7% ash). Good weight increment was obtained with the three treatments, finding a positive linear correlation between mean weight and time (0:24, r=0.97; 10:14, r=0.99; 13:11, r=0.98). There were no significant differences in the percentage increment in mean weight among the treatments (0:24, 19.3%; 10:14, 29.3% and 13:11, 26.5%)...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Growth; Molt; Photoperiod; Crustacea; Palaemonidae.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212003000300004
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Larvae and post-larvae of Penaeidae and Palaemonidae in coastal lagoons of the North of Rio de Janeiro (Macaé, RJ) BJB
ALBERTONI,E. F.; PALMA-SILVA,C.; ESTEVES,F. A..
The northern part of the state of Rio de Janeiro shelters many coastal lagoons, located, mostly, in the "restinga" strip that stretches from the municipality of Macaé to the municipality of Quissamã. During 1995 and 1996 samplings were made aiming to verify the diversity and density of Natantia larvae in the Imboassica, Cabiúnas and Comprida lagoons. The monthly samples were taken with a 500 µ net, in horizontal drags from a boat. In Comprida lagoon no larvae of any family of these crustaceans were found. In Cabiúnas lagoon, the autumn was the season of the year with greatest relative abundance, the larvae belonging to only one genus: Macrobrachium. In Imboassica Lagoon samples were taken in two situations related to the variation of the water level and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Coastal lagoons; Larvae; Penaeidae; Palaemonidae; Crustacea; Distribution.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0034-71081999000100014
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Molt cycle of the natural population of Palaemonetes argentinus (Crustacea, Palaemonidae) from Los Padres Lagoon (Buenos Aires, Argentina) Iheringia, Sér. Zool.
Felix,Mónica M. L.; Petriella,Ana M..
The molt cycle of the natural population of Palaemonetes argentinus Nobili, 1901 from Los Padres Lagoon, Buenos Aires, Argentina, was studied in relation to age, sex, and environmental factors. A total of 1645 individuals (740 females, 539 males, and 366 juveniles) were collected and analyzed between December 1995 and December 1996. The results indicate that the sex ratio (males:females) remains around 1:1.4 throughout most of the year. The reproductive period extends from September until February (spring and summer), with maximum sexual activity in October and November. Two cohorts originated in the spring and in the summer were differentiated. Ovigerous females arrest their molt cycle during the intermolt period to restart it after oviposition. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Palaemonetes; Decapoda; Palaemonidae; Molt cycle; Ovarian maturation.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212003000400007
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Note on the occurrence of a rare palaemonid prawn, Palaemonsewelli (Kemp, 1925) in South Vietnam, with its description (Decapoda: Caridea) Naturalis
Xuân, Ng.V..
A rare palaemonid prawn Palaemon sewelli (Kemp, 1925) was found in abundance in a shallow and flat coastal region of southeastern Vietnam, at a depth of 4-9 m. This is the first record of the species from Vietnam. A description of the two colour morphs of the freshly collected specimens and notes on habitat, fishery, and economic importance are provided.
Tipo: Article / Letter to the editor Palavras-chave: Crustacea; Decapoda; Caridea; Palaemonidae; Palaemon sewelli; South Vietnam; 42.74.
Ano: 2000 URL: http://www.repository.naturalis.nl/record/215741
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On a new species of blackwater prawn, Macrobrachium oxyphilus (Crustacea: Decapoda: Caridea: Palaemonidae), from peat swamps in Peninsular Malaysia Naturalis
Ng, P.K.L..
A new species of freshwater palaemonid prawn, Macrobrachium oxyphilus spec, nov., is described from highly acidic blackwaters in a peat swamp forest in Selangor, Peninsular Malaysia. The species differs from its nearest congener, M. trompii (de Man, 1898), in having proportionately smaller eyes, shorter scaphocerites, a lesser number of ventral rostral teeth, a more inflated carapace, and less pubescent and more spiniferous chelipeds.
Tipo: Article / Letter to the editor Palavras-chave: Crustacea; Decapoda; Caridea; Palaemonidae; Macrobrachium oxyphilus spec. nov.; Blackwaters; Peat swamps; Peninsular Malaysia; 42.74.
Ano: 1992 URL: http://www.repository.naturalis.nl/record/319136
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Palaemon vicinus spec. nov. (Crustacea: Decapoda: Palaemonidae), a new species of caridean shrimp from the tropical eastern Atlantic Naturalis
Ashelby, C.W..
A new species of Palaemon, P. vicinus spec. nov., is described from the tropical eastern Atlantic. The new species is very close to P. elegans Rathke, 1837, under which name it was previously recorded from West Africa. Palaemon vicinus spec. nov. is easily separated from P. elegans by possessing a small tooth on the fifth abdominal pleuron (quadrate in P. elegans) and by having 2-3 rows of setae in the grooming brush of the fifth pereiopod (4-5 in P. elegans). The discovery of the new species amongst material identified as P. elegans further highlights the need to reassess species level characters in the genus Palaemon.
Tipo: Article / Letter to the editor Palavras-chave: Crustacea; Decapoda; Caridea; Palaemonidae; Palaemoninae; New species; West Africa; 42.74.
Ano: 2009 URL: http://www.repository.naturalis.nl/record/315880
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Population and reproductive features of the freshwater shrimp Macrobrachium jelskii (Miers, 1877) from São Paulo State, Brazilb - doi: 10.4025/actascibiolsci.v35i3.15815 Biological Sciences
Mossolin, Emerson Contreira; Universidade Federal de Goiás / Universidade de São Paulo; Peirò, Douglas Fernando; Universidade de São Paulo / Centro Universitário de Araraquara; Rossingnoli, Mariana Oliveira; Centro Universitário de Araraquara; Rajab, Livia Pinto; Centro Universitário de Araraquara; Mantelatto, Fernando Luis Medina; Universidade de São Paulo.
The aim of this study was to describe the population structure and reproduction of Macrobrachium jelskii from a stream in the central region of São Paulo State. A total of 1,215 specimens was collected monthly during one year (February 2008 to January 2009), being 535 males, 578 females and 102 juveniles. The overall sex-ratio was not significantly different from the expected 1:1, but has significantly differed in some months. A total of 136 ovigerous females were collected and the reproductive period was continuous with peak of occurrence on the hottest months. An increase in juveniles following the highest frequency of ovigerous females was observed and characterized the recruitment period. The fecundity was low and varied from 1 to 56 eggs per female....
Tipo: Biologia populacional; Biologia reprodutiva Palavras-chave: 2.04.00.00-4 Crustacea; Decapoda; Fecundity; Palaemonidae; Reproduction Zoologia - Morfologia dos Grupos Recentes.
Ano: 2013 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/15815
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Poripontonia dux gen. nov., spec. nov., a sponge associated shrimp (Crustacea, Decapoda, Caridea, Palaemonidae, Pontoniinae) from Indonesia Naturalis
Fransen, C.H.J.M..
A new genus and species of sponge associated shrimp from Indonesia is described and depicted. The systematic position of the new genus is discussed.
Tipo: Article / Letter to the editor Palavras-chave: Crustacea; Decapoda; Caridea; Palaemonidae; Pontoniinae; Poripontonia new genus; New species; Sponge associate; Indonesia; 42.74.
Ano: 2003 URL: http://www.repository.naturalis.nl/record/220300
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Presence of the Japanese Freshwater Prawn Macrobrachium Nipponense (De Haan, 1849) (Decapoda: Caridea: Palaemonidae) in Singapore Naturalis
Chong, S.S.C.; Khoo, H.W.; Ng, P.K.L..
Characters of adults and larvae are given to differentiate between Macrobrachium nipponense and M. sintangense. The presence of the former in Singapore is stated and explained as an introduction from Japan or China, possibly with ornamental fishes.
Tipo: Article / Letter to the editor Palavras-chave: Decapoda; Palaemonidae; Macrobrachium; Nipponense; Sintangense; Introduction; 42.74.
Ano: 1987 URL: http://www.repository.naturalis.nl/record/318445
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Progression de l'organisation phragmale du metamere thoracique de quelques malacostraces ArchiMer
Casanova, B; Huguet, D; Secretan, S.
A comparison of the skeleton of a successive thoracic segment in various Malacostraca shows the development and growing complexity of phragmal structure. It first appears in some Mysicacea and in Euphausiacea by means of an interarthrodial lamina issued from sternite. In Decapoda, Penaidae, Atyidae, Processidae, Palaemonidae, this lamina is diversified and some elements from pleural origin join it. The beginning of the so constituted wall considerably increases in Nephropidae and becomes ramified.
Tipo: Text Palavras-chave: Nephropidae; Palaemonidae; Processidae; Atyidae; Penaeidae; Decapoda; Euphausiidae; Mysidacea; Malacostraca; Evolution.
Ano: 1987 URL: http://archimer.ifremer.fr/doc/1987/acte-1378.pdf
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Recent expansion of the oriental shrimp Palaemon macrodactylus (Crustacea: Decapoda) on the western coasts of France ArchiMer
Lavesque, Nicolas; Bachelet, Guy; Beguer, Melanie; Girardin, Michel; Lepage, Mario; Blanchet, Hugues; Sorbe, Jean-claude; Moderan, Julien; Sauriau, Pierre-guy; Auby, Isabelle.
The invasive oriental shrimp Palaemon macrodactylus Rathbun, 1902 has considerably extended its distribution in transitional waters along the Atlantic and Channel coasts of France during the period 2007-2010. The most probable method of a primary introduction of this species is ballast waters, but passive transport by water currents is also a possible mechanism of colonization (secondary introductions). Palaemon macrodactylus is a powerful invader of transitional waters and these new populations should be monitored in the future to assess any consequences to native species.
Tipo: Text Palavras-chave: Palaemon macrodactylus; Palaemonidae; Invasive species; Western France; Transitional waters.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00181/29213/27622.pdf
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Two freshwater prawns of the genus Macrobrachium (Crustacea Decapoda: Palaemonidae) from New Guinea Naturalis
Holthuis, L.B..
Macrobrachium natulorum spec. nov. is described from the Wissel Lakes area, Irian Jaya (New Guinea), Indonesia. The species is closest to M. lorentzi (J. Roux, 1921). A map showing the localities where the two species were found is given.
Tipo: Article / Letter to the editor Palavras-chave: Crustacea Decapoda; Palaemonidae; Macrobrachium; Description; Distribution; New Guinea; 42.74.
Ano: 1984 URL: http://www.repository.naturalis.nl/record/318506
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Vir smiti spec. nov., a new scleractinian associated pontoniine shrimp (Crustacea: Decapoda: Palaemonidae) from the Indo-West Pacific Naturalis
Fransen, C.H.J.M.; Holthuis, L.B..
A new species of scleractinian associated pontoniine shrimp, Vir smiti spec. nov., is described and illustrated on the basis of specimens collected throughout the Indo-West Pacific.
Tipo: Article / Letter to the editor Palavras-chave: Crustacea; Decapoda; Caridea; Palaemonidae; Vir smiti; New species; Scleractinian associate; Indo-West Pacific; 42.74.
Ano: 2007 URL: http://www.repository.naturalis.nl/record/226640
Registros recuperados: 18
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