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| Registros recuperados: 164 | |
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| Jara,Carlos G; Rudolph,Erich H; González,Exequiel R. |
| La fauna de crustáceos malacostráceos limnéticos, en el territorio de Chile continental, está compuesta por seis especies de camarones, i.e., cinco parastácidos de los géneros Parastacus, Samastacus y Virilastacus y un palemónido del género Cryphiops, 18 especies de anomuros del género Aegla, siete especies de anfípodos gamarídeos del género Hyallela y una especie de isópodo aselotano del género Heterias. La distribución conjunta abarca desde Arica a Punta Arenas, pero la mayor parte de las especies tiene rango geográfico restringido. La mayor densidad de taxa ocurre entre las regiones VIII y X, donde el número de taxa por Región varía entre 11 y 15, siendo la X Región la que tiene el número mayor. Índices derivados de un estudio sobre relaciones... |
| Tipo: Journal article |
Palavras-chave: Malacostráceos; Diversidad; Conservación; Amphipoda; Isopoda; Decapoda; Chile; Limnología. |
| Ano: 2006 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-65382006000100008 |
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| Rocha,Sérgio Schwarz da. |
| Durante os anos 2000 e 2001 foram realizadas coletas sazonais de crustáceos decápodes em dois pontos de um rio na Estação Ecológica Juréia-Itatins, utilizando-se duas metodologias distintas (peneira e armadilha). Comparando-se ambos os métodos de coleta, foram constatadas diferenças quanto à composição e riqueza da carcinofauna capturada, grau de dominância e equitatividade, bem como tamanho e número de indivíduos coletados. Além disso, as razões sexuais de Macrobrachium acanthurus (Wiegmann, 1836) podem diferir dependendo do método de coleta utilizado. Devido à grande variedade de hábitats e hábitos dos crustáceos, pode-se inferir que, para um levantamento qualitativo e/ou quantitativo eficaz e apurado da comunidade de crustáceos decápodes dulcícolas de... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Decapoda; Palaemonidae; Atyidae; Grapsidae; Ecologia. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212010000200005 |
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| Sousa,Daniele B. de; Santos,Nayara B.; Oliveira,Verônica M. de; Carvalho-Neta,Raimunda N. F.; Almeida,Zafira da S. de. |
| RESUMO Este estudo teve por objetivo caracterizar a diversidade carcinológica de dois manguezais (igarapés Buenos Aires e Tronco) da Baía de São Marcos, na costa amazônica maranhense, Brasil. Foram realizadas quatro coletas trimestrais entre setembro de 2011 a junho de 2012. Em cada coleta foram analisados três pontos por área (zona 1, zona 2 e zona 3), totalizando 24 amostras. O material biológico foi coletado por meio de arrastos com rede do tipo puçá, catação manual e técnica de braceamento. Paralelamente à coleta do material biológico, foram verificados a salinidade, temperatura e oxigênio dissolvido de cada área analisada. Para avaliar a similaridade de agrupamento entre as zonas dos manguezais foi aplicada a análise de cluster e consecutiva... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Decapoda; Diversidade; Carcinofauna; Amazônia. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212015000300339 |
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| 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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| Santos,Cléverson Ranniéri M. dos; D'Incao,Fernando. |
| While all species of the genus Callinectes Stimpson, 1860 have a continuous distribution on the Atlantic coast of the Americas, Callinectes sapidus Rathbun, 1896 is the only one with disjunct distribution. Considering that this species was introduced in Europe and Japan, it has been suggested that the occurrence of C. sapidus on the southern coast of Brazil was due to the transport by ballast water. In the archaeological site Ariano Souza, located in the estuary of the Patos Lagoon (southern Brazil), remains of crustaceans, including claws of approximately two thousand years ago, were found. A preliminary analysis of this material showed Callinectes chelae. Because this archaeological site is located inside the estuary, it has been hypothesized that these... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biogeography; Callinectes; Decapoda; Morphology; Archaeology. |
| Ano: 2004 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212004000100013 |
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| Lagardere, Jean-paul. |
| In the present study, the feeding habits of the bathypelagic shrimps Sergestes arcticus, S. robustus, Pasiphaea sivado, P. tarda, P. multidentata and Psathyrocaris infirma), occurring on the continental slope of the Bay of Biscay, were examined. It was concluded through the present observations that these shrimps use the pelagic resources from the environment. On the other hand, their spatial distribution in different layers prevents any trophic competition between them. The nature of the prey organisms is widely determined by the size, the efficiency of the catching techniques, but also by the possibility of special detection (the hypothesis of ocular detection of euphausiids by P. sivado). The absorption of sediment, during the rest hours, is supposed to... |
| Tipo: Text |
Palavras-chave: Decapoda; ANE Europe Biscay Bay Psathyrocaris infirma Pasiphaea multidentata Pasiphaea tarda Pasiphaea sivado Sergestes robustus Sergestes arcticus Continental slope Bathypelagic zone Ecology Predation Feeding behaviour. |
| Ano: 1975 |
URL: http://archimer.ifremer.fr/doc/1975/publication-2014.pdf |
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| De Lorgeril, Julien; Gueguen, Yannick; Goarant, Cyrille; Goyard, Emmanuel; Mugnier, Chantal; Fievet, Julie; Piquemal, D; Bachere, Evelyne. |
| Understanding of antimicrobial defence mechanisms of penaeid shrimp should help in the design of efficient strategies for the management and disease control in aquaculture. In this study, we have specifically analysed the expression in circulating hemocytes of antimicrobial peptides (AMPs) encoding genes, such as PEN2 and PEN3, ALF, crustin, lysozyme and a putative cysteine-rich peptide. We evidenced a relationship between the level of expression of some AMPs and the successful response of the shrimp, Litopenaeus stylirostris, to circumvent a pathogenic Vibrio penaeicida infection. Additionally, significant differences in some AMP transcript amounts are evidenced between control, non-selected shrimp line and the third generation breeding of shrimp selected... |
| Tipo: Text |
Palavras-chave: Real time PCR; Cysteine rich peptide; Crustin; Anti LPS factor; Lysozyme; Penaeidins; Immune response; Vibrio penaeicida; Penaeid; Decapoda; Crustacean. |
| Ano: 2008 |
URL: http://archimer.ifremer.fr/doc/2008/publication-4524.pdf |
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| Komai, Tomoyuki; Segonzac, Michel. |
| A taxonomic review of the two genera of the family Alvinocarididae (Decapoda: Caridea), Rimicaris Williams and Rona, 1986 and Chorocaris Martin and Hessler 1990, is presented based on study of type materials and/or supplemental material from recent collections. Two species of Rimicaris, R. exoculata Williams and Rona 1986 and R. kairei Watabe and Hashimoto 2002, and three species of Chorocaris, C. chacei Williams and Rona 1986, C. vandoverae Martin and Hessler 1990, and C. paulexa Martin and Shank 2005, are recognized. All species are exclusively associated with deep-water hydrothermal community. Close relationship between the two genera is confirmed by morphological characters, but the monophyly of Chorocaris is not corroborated. An examination of a good... |
| Tipo: Text |
Palavras-chave: Hydrothermal vents; Taxonomy; Chorocaris; Rimicaris; Alvinocarididae; Caridea; Decapoda; Crustacea. |
| Ano: 2008 |
URL: http://archimer.ifremer.fr/doc/2008/publication-3926.pdf |
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| Ceccaldi, H. |
| The digestive tract of crustacea is complex. It is composed of a shor t oesophagum, a stomach with two bags, and internal wall with appendags specialized in grinding of feeds. These hard mastication pieces represent the gastric mill. Setae, filters included in the stomach structure allow the separation between food particles and liquid compounds. Those one are coming over through filters and more on to the digestive gland tubules or mid gut gland. In this organ, several types of cells play specialized functions: absorption, enzyme secretion, stocking function. Some cells of a new type, with undefined function, may be neurosecretions function, have been described recently. The end of tubules of digestive gland exhibits cells with embryonic characteristics.... |
| Tipo: Text |
Palavras-chave: Decapoda; Neurosecretion; Feed; Rearing; Digestive glands; Enzymes; Stomach; Crustacean culture. |
| Ano: 1989 |
URL: http://archimer.ifremer.fr/doc/1989/acte-1486.pdf |
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| Ahyong, Shane T.; Ng, Peter K. L.. |
| The cyclodorippoid crabs from the Philippines collected by the PANGLAO 2004-2005 and AURORA 2007 expeditions are reported. Five species of Cyclodorippidae are reported: Corycodus mina x sp. nov., Ketamia depressa (Ihle, 1916), Krangalangia spinosa (Zarenkov, 1970), Tymolus brucei Tavares, 1991, and Xeinostoma sakaii Tavares, 1993. Corycodus minax is the second species of the genus to be recorded from the Philippines and is most similar to C. merweae Tavares, 1993, from South Africa. Krangalangia spinosa is reported for the first time from the Philippines. Sexual dimorphism in the length of the walking legs (pereopods 2 and 3) is reported for Tymolus brucei and may be a general feature of cyclodorippoids. One new species of Cymonomidae, Cymonomus liui sp.... |
| Tipo: Text |
Palavras-chave: Decapoda; Brachyura; Cyclodorippoidea; Cyclodorippidae; Cymonomidae; Corycodus; Cymonomus. |
| Ano: 2011 |
URL: https://archimer.ifremer.fr/doc/00466/57792/60084.pdf |
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| Cabezas, Patricia; Macpherson, Enrique; Machordom, Annie. |
| The family Galatheidae is among the most diverse families of anomuran decapod crustaceans, and the South-West Pacific is a biodiversity hot spot for these squat lobsters. Attempts to clarify the taxonomic and evolutionary relationships of the Galatheidae on the basis of morphological and molecular data have revealed the existence of several cryptic species, differentiated only by subtle morphological characters. Despite these efforts, however, relationships among genera are poorly understood, and the family is in need of a detailed systematic review. In this study, we assess material collected in different surveys conducted in the Solomon Islands, as well as comparative material from the Fiji Islands, by examining both the morphology of the specimens and... |
| Tipo: Text |
Palavras-chave: 16S rRNA gene; COI gene; Decapoda; Molecular systematics; Morphology. |
| Ano: 2009 |
URL: https://archimer.ifremer.fr/doc/00205/31675/30058.pdf |
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| Registros recuperados: 164 | |
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