Na região estuarina da Lagoa dos Patos, o siri-azul Callinectes sapidus Rathbun, 1869 é o mais abundante dentre as espécies do gênero. Apesar do siri-azul exercer influência sobre as comunidades bentônicas, por ser considerado ...

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 ...

The species of the family Luciferidae in Brazil sere revised. They are represented by Lucifer faxoni that occurs in coastal waters including estuaries, and Lucifer typus an ofsshore specie.

The present study reports on the reproductive performance of shallow water-caught Farfantepenaeus paulensis animals and relative it to ovarian histological analysis. Males and females were captured in shallow waters (5-10 ...

Twelve species of Pinnotheridae from Santa Catarina and Rio Grande do Sul States, Brazil, are redeseribed and illustrated; a key of identification is presented. Clypeasterophilus stebbingi Rathbun, 1918; Pinnotheres garthi ...

Insecta é o mais diverso, abundante e dominante grupo dos artrópodes, sendo, assim, utilizados em estudos de diversidade como indicadores biológicos. Contudo, poucos são os estudos a respeito da coleopterofauna e sua relação ...

The aim off the present study was to analyze the growth Farfantepenaeus paulensis juveniles captured in the Patos Lagoon Estuary (Rio Grande do Sul, Brasil), by fitting the von Bertalanffy growth model. Estuary-caught ...

The effect of unilateral eyestalk ablation on ovarian histology of Farfantepenaeus paulensis after spawning was evaluated in the present study. Wild females were captured in deep-sea waters of southern Brazil (27 o S) and ...

Numa enseada estuarina da Lagoa dos Patos (Brasil) foi realizado um experimento com o objetivo de avaliar a eficiência do cultivo em cercados, no crescimento e na taxa de sobrevivência de juvenis de Farfantepenaeus paulensis. ...

A laboratory experiment was carried out aiming to verify meiofauna community’s responses to disturbance caused by the macroinfaunal polychaete Laeonereis acuta Treadwell 1923 regarding both vertical distribution patterns ...

The structure of macrobenthic assemblages in Rio Grande Harbor was analyzed during and after a sulphuric acid spill in August 1988. Five stations were sampled four times between September 1988 and March 1999. At each ...

A comparative study of the infaunal recruitment patterns among disturbed surface sediment mounds around Chasmagnathus granulata Dana, 1851 burrows and undisturbed adjacent sediments was done in two intertidal soft bottom ...

This study aims to compare the composition and the density of the meiofauna among three soft-bottom habitats over an emersion gradient during a prolonged tidal exposure period (summer 2000). The selected habitats were (1) ...

Stratified samples were seasonally collected to analyze the vertical distribution of the macroinfauna and sedimentological characteristics in a soft bottom estuarine habitat of the Patos Lagoon, southern Brazil. Physical-chemical ...

O poliqueta Neanthes succinea é um nereidídeo cosmopolita, comum em estuários e regiões marinhas costeiras da América do Sul. Um evento de epitoquia de grandes proporções, ainda não observado para a região estuarina da ...

We assessed the value of benthic macroinvertebrates to the diet of Farfantepenaeus paulensis juveniles in experimental pen-cages after three independent rearing periods of 20, 40 and 60 days each. For each time period we ...

A preliminary study was done on the age-pigment lipofuscin content in the brains of captive Farfantepenaeus paulensis juveniles (5 months old) and wild adults (estimated age of 12-15 months). Random samples of 6 individuals ...

O trabalho objetiva inventariar a mirmecofauna de duas marismas distintas e estimar a diversidade, similaridade, bem como relacionar a temperatura, umidade relativa do ar e a pluviosidade aos padrões de flutuação de ...

Os fenômenos climáticos de grande escala El Niño e La Niña estão associados a variações na temperatura da superfície do mar no oceano Pacífico equatorial. No extremo sul do Brasil, esses fenômenos são responsáveis pela ...

Maturation, fecundity and reproductive cycle of the octopod Eledone gaucha Haimovici, 1988, were studied based on preserved samples collected during groundfish surveys conducted off southern Brazil, The patterns of sexual ...