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Showing 1 to 20 of 42 for “"Decapoda"”.
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Palemonídeos do Brasil (Crustacea - Decapoda - Natantia)
Include all species of family PALAEMONIDAE which occur in brazilian waters.This paper consists essentially of an introduction, a historical account of the family in Brazil, its systematic, conclusions, bibliography and twenty eight plates,corresponding to the species studied. The systematic section …
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Calapídeos do litoral brasileiro (Crustacea: Decapoda: Brachyura)
This dissertation deals with all crustaceans species under the family CALAPPIDAE, occurring on the Brazilian coast. It consists of the following divisions: introduction, bibliographic revision, material and methods, results, conclusions and bibliographical references. The taxonomic section includes …
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The larval development of northern California Porcellanidae (Decapoda, Anomura)
Two genera, Pachyceles and Petrolisthes, and five species of the Porcellaniae occur on the California coast north of San Francisco. Of the five species only one has had its larval development described (Pachycheleas rudis). The purpose of the present study is to describe the remaining four species …
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Systematics of the North American Crayfish Genus Orconectes (Decapoda: Cambaridae)
Both molecular and morphological evidence indicated the presence of three species new to science. One of those species is described herein as Orconectes margorectus. Orconectes margorectus occurs in small creeks with rocky substrates and is endemic to the extreme lower Cumberland and Ohio river …
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The Evolutionary History and Phylogeny of the Lithodinae (Decapoda: Anomura: Lithodidae)
The anomuran sub-family Lithodinae comprises a great diversity of morphological and<br/>ecological forms, whose global radiation has not been specifically addressed since the<br/>modern syntheses of plate tectonics, oceanography, species theory and cladistic<br/>systematics. The focus of this …
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Burrowing and feeding ecology of the ghost shrimp Biffarius arenosus (Decapoda: Callianassidae)
… thalassinidean ghost shrimp, Biffarius arenosus(Decapoda: Callianassidae), is a dominant component of coastal soft sediment communities in temperate south-eastern Australia. This thesis investigated the burrowing and feeding ecology of a population of shrimps inhabiting an intertidal sandflat in …
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The larval morphology of three species of Pagurus (Decapoda, anomura) from California
This study is concerned with description of larval stages of Pagurus granosimanus, P. hemphilli and P. hirsutiusculus. All three are found intertidally in Northern California. Descriptions are based on laboratory raised zoea and glaucothoe.
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A REVISION OF THE FAMILY EUMEDONIDAE DANA, 1853 (CRUSTACEA, DECAPODA, BRACHYURA, XANTHOIDEA)
The family Eumedonidae, sensu Stevcic et al. (1988), contains nine genera and 26 species. On the basis of a large series of specimens from the Indo-West Pacific region and the examination of available type specimens, the family Eumedonidae Dana, 1853, is here revised. lt now contains 12 genera and …
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Taxonomia e distribuição do gênero Lucifer (Decapoda, Sergestoidea) na costa central brasileira
The genus Lucifer Thompson, 1829 comprises seven species, two are registered on the Brazilian coast: Lucifer faxoni Borradaile, 1915 and Lucifer typus Milne Edwards, 1837. The material for this study was obtained from two oceanographic cruises realized along the Brazilian central coast, as part of …
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Taxonomic, systematic, morphological and biological studies on Palaemon Weber, 1795 (Crustacea: Decapoda: Palaemonidae)
Palaemon is a large genus of marine, brackish and freshwater shrimps and are amongst the most familiar shrimps to scientists and amateur naturalists. Despite being familiar and widely reported they remain understudied. A series of studies was conceived to address some of the outstanding questions …
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Estudios biológicos sobre procambarus clarkii girard (decapoda cambaridae) en las marismas del bajo Guadalquivir
Procambarus clarkii Girard, es un cangrejo de agua dulce, vulgarmente conocido como cangrejo americano o rojo, originario de Estados Unidos (zona Sur central) y México (zona Noreste) (HOBBS, 1972 a). Fue introducido en Las Marismas del Bajo Guadalquivir en 1974 y debido a que presenta una alta tasa …
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Some aspects of mercury accumulation by the purple shore crab Hemigrapsus nudus Dana (Crustacea: decapoda)
The present study has attempted to investigate some of the more basic questions concerning the toxicity and accumulation of mercury in the purple shore crab, Hemigrapsus nudus. This rocky intertidal denizen is found in abundance along the entire Pacific coast of the United States from Sitka, …
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Revisión taxonómica de las especies ibéricas de cangrejos ermitaños (DECAPODA: ANOMURA: PAGUROIDEA) y sus relaciones filogenéticas
Traditionally, the study of hermit crabs has been based on the description and comparison of morphological characters that are sometimes difficult to assess, which in many cases has led to difficulties in clearly delimiting species. The morphological complexity of the group (where practically all …
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Exploitation and biology of the bait organism Callianassa kraussi Stebbing (Crustacea: Decapoda: Thalassinidae) in Langebaan Lagoon
The effects of the exploitation of prawns (Callianassa & Upogebia spp.) in Langebaan Lagoon, primarily for bait collecting, were assessed using field experiments and observations. Langebaan Lagoon has been a proclaimed National Park for 20 years and a proclaimed Marine Protected Area since 2000. …
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AN ANNOTATED CHECKLIST OF CRABS OF THE SUPERFAMILY PORTUNOIDEA RAFINESQUE, 1815 FROM THE PHILIPPINES (CRUSTACEA: DECAPODA: BRACHYURA)
The present revised checklist of the Portunoidea of the Philippines contains 115 species of 27 genera/subgenera, including one new genus, two new species and 8 new records for the Philippines. As a result of this work, 2 other new species are described from elsewhere in the Indo-West Pacific. The …
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Contributions to the taxonomy of South African hermit crabs (Crustacea: Decapoda: Paguroidea) – integrating microCT scanning and barcoding
Hermit crabs form an important component of the marine benthos and globally more than 1,200 species have been described. In the unique bioregion of South Africa, hermit crabs are poorly known, and the last taxonomic revision of the group was that of K. H. Barnard in 1950, who recorded only 32 …
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Estudos sobre a população de Portunus spinicarpus (Stimpson, 1871) (Crustacea: Decapoda: Brachiura) da região do Cabo Frio, Brasil
During 33 months (January/86 to December/88) 99 trawlings have been made at 30, 45 and 60 m depth in front of Massambaba beach (Arraial do Cabo, R.J.), with lhe purpose to know the softbottom benthos of the in·fra littoral from an area characterized by the upwelling phenomenon. A Van-Veen grab, a …
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Food aquisition [i.e. acquisition] behavior of Pycnopsyche Guttifer (Limnephilidae: Trichoptera), Pteronarcys Pictetti (Pteronarcidae: Plecoptera) and Orconectes Propinquis (Decapoda: Crustacea)
Thesis (M.S.)--Michigan State University. Dept. of Entomology, 1983
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Taxonomía integrativa y colecciones científicas como herramientas en la actualización del conocimiento de los cangrejos marinos africanos (decapoda brachyura)
Los cangrejos constituyen un grupo de crustáceos decápodos excepcionalmente diverso y abundante. Juegan un rol crítico en la salud de los ecosistemas o hábitats como los arrecifes de coral, manglares, pantanos y aguas costeras, son un componente clave en los ecosistemas bentónicos y …
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Biologia populacional do caranguejo-uçá Ucides cordatus (Linnaeus, 1763) (Crustaceae, Decapoda, Brachyura) no estuário do rio Maracaípe, Ipojuca, PE
A biologia pesqueira objetiva investigar o ciclo de vida das espécies que estão sujeitas à pesca e ás alterações dinâmicas que acontecem com o seu tamanho e estrutura etária como conseqüência dessa exploração. O caranguejo Ucides cordatus é um crustáceo de grande importância ecológica, social e …
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