Occurrence of Macrobrachium amazonicum (Heller) (Decapoda, Palaemonidae) in Leopoldo's inlet (Ressaco do Leopoldo), upper Paraná River, Porto Rico, Paraná, Brazil

Bialetzki, Andréa; Nakatani, Keshiyu; Baumgartner, Gilmar; Bond‐Buckup, Georgina

doi:10.1590/s0101-81751997000200011

Cited by 67 publications

(62 citation statements)

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“…The autumn period corresponds the highest larvae abundances (χ 2 , p < 0.05). Bialetzki et al, (1997) cite for M. amazonicum the greatest captures in the spring and summer months (from September to December), in the hydrographic basin of the Paraná river, where the seasonality is more pronounced than in the present study area. Müller & Prazeres (1992) found, for M. olfersii, in Santa Catarina, reproduction periods that encompass the autumn and the beggining of the summer, this species presenting two reproduction periods per year.…”

Section: B) Cabiúnas Lagooncontrasting

confidence: 48%

Larvae and post-larvae of Penaeidae and Palaemonidae in coastal lagoons of the North of Rio de Janeiro (Macaé, RJ)

1999

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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 contact with sea water: horizontal boat dragging when the sandbar (the strip of sand that separates the lagoon from the sea) was closed, larvae of Macrobrachium sp. being found, and no seasonal variation being detected, and horizontal manual dragging with open and closed sandbar conditions, in a region close to the sandbar.With the sandbar open, larvae and post-larvae of Penaeus paulensis and P. brasiliensis were found, the greatest abundances being found in the months of April/96 and May/95.Key words: coastal lagoons, larvae, Penaeidae, Palaemonidae, Crustacea, distribution. RESUMO Larvas e pós-larvas de Penaeidae e Palaemonidae em lagoas costeiras do norte fluminense (Macaé, RJ)A região norte do estado do Rio de Janeiro abriga uma série de lagoas costeiras, localizadas, em sua maioria, na região da restinga que se estende do município de Macaé ao município de Quissamã. Durante 1995 e 1996 foram realizadas coletas com o objetivo de verificar a diversidade e densidade de larvas de Natantia nas lagoas Imboassica, Cabiúnas e Comprida. As coletas mensais foram realizadas com rede de 500 µ em arrastos horizontais com barco. Na lagoa Comprida não foram encontradas larvas de nenhuma família destes crustáceos. Na lagoa Cabiúnas, o outono foi a estação do ano com maior abundância relativa, sendo as larvas pertencentes a um único gênero: Macrobrachium. Na lagoa Imboassica foram realizadas coletas em duas situações em relação à variação do nível d'água e contato com o mar: arrastos horizontais de barco com a barra (faixa de areia que separa a lagoa do mar) fechada, sendo encontradas larvas de Macrobrachium sp, não se encontrando diferença em relação à estação do ano, e arrastos horizontais manuais, com barra fechada e aberta, na região próxima à barra da lagoa. Com a barra aberta, foram coletadas larvas e pós-larvas de Penaeus paulensis e P. brasiliensis, sendo as maiores abundâncias registradas nos meses de abril/96 e maio/95.

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Section: B) Cabiúnas Lagooncontrasting

confidence: 48%

Larvae and post-larvae of Penaeidae and Palaemonidae in coastal lagoons of the North of Rio de Janeiro (Macaé, RJ)

1999

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“…A curvina, P. squamosissimus possui boca grande terminal (Bialetzki et al 2002) bastante protrátil o que possivelmente facilita a captura de presas em locais de difícil acesso para a maioria dos outros piscívoros. No presente estudo, a dieta dessa espécie foi a que mais diferiu dos outros predadores, pelo fato de curvinas imaturas, terem consumido uma proporção expressiva do camarão Macrobrachium amazonicum, um recurso muito abundante na planície de inundação (Bialetzki et al 1997). Os adultos dessa espécie consumiram preferencialmente peixes, possivelmente devido à relação custo/ benefício das presas ser melhor que itens menores, como camarões.…”

Section: Discussionunclassified

Uso de recursos alimentares por peixes imaturos e adultos de espécies piscívoras em uma planície de inundação neotropical

Bozza

Hahn

2010

Biota Neotrop.

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Abstract:The aim of this study was to evaluate the use of food resources by juveniles and adults of Acestrorhynchus lacustris, Hemisorubim platyrhynchos, Hoplias aff. malabaricus, Plagioscion squamosissimus, Pseudoplatystoma corruscans e Salminus brasiliensis from the upper Paraná River floodplain, sampled quarterly between March 2007 and December 2008. The quantitative trophic composition was obtained by prey volume (% volume) and diet niche breadth of each piscivorous species, as well as trophic relationships among them through diet similarity and prey size. The diet of the species was composed of fish-preys (42 species), crustaceans and insects, with ontogenetic diet changes, except to P. corruscans. The niche breadth was high to H. aff. malabaricus adults and low to P. corruscans adults and P. squamosissimus juveniles. Diet similarity was high to Characidae species consumers and low to P. squamosissimus juveniles, which consumed mainly crustaceans. Positive correlation was found between prey and predator size, however, each piscivorous species consumed different prey sizes, showing no correlation among them. Results showed that the six species consumed fish since juveniles, however, with low diet similarity intra and inter specific to most of them, and the prey size consumed increased in relation to predator size and varied among species. Thus, the piscivorous species diet depends of prey species distribution and colonization, morphology and feeding behavior of the prey as well as the predator. Resumo: Este estudo teve como objetivo avaliar o uso dos recursos alimentares por indivíduos imaturos e adultos de Acestrorhynchus lacustris, Hemisorubim platyrhynchos, Hoplias aff. malabaricus, Plagioscion squamosissimus,Pseudoplatystoma corruscans e Salminus brasiliensis, da planície de inundação do alto Rio Paraná, coletados trimestralmente entre março de 2007 e dezembro de 2008. Foi avaliada a composição quantitativa da dieta através da obtenção do volume das presas (% volume) e amplitude de nicho trófico de cada uma das espécies, bem como as inter-relações tróficas entre elas, através da similaridade entre as dietas e tamanho das presas. A dieta das seis espécies foi composta por peixes-presa (42 espécies), crustáceos e insetos, sendo que todas elas, com exceção de P. corruscans, mostraram alterações ontogenéticas. A amplitude de nicho foi maior para H. aff. malabaricus adultos e menor para P. corruscans adultos e P. squamosissimus imaturos. A similaridade na dieta foi maior para aquelas espécies que consumiram Characidae e menor para P. squamosissimus imaturos, os quais consumiram preferencialmente crustáceos. Houve correlação positiva entre o tamanho da presa e do predador, porém cada espécie consumiu presas de tamanhos diferentes, mostrando que elas não são correlacionadas. Os resultados demonstraram que as seis espécies consumiram peixes desde as fases imaturas, porém com pouca similaridade intra e inter-específica na dieta para a maioria delas, e que o tamanho das presas consumidas aumentou em relação ao ta...

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“…Among these species, the Amazon River prawn Macrobrachium amazonicum (Heller 1862) has remained relatively unknown, although its potential for aquaculture and fisheries is highly rated (Kutty et al 2000, Moraes-Valenti & Valenti 2007. It is widely distributed along the northern and northeastern coasts of South America (Holthuis 1952, Rodríguez 1982, Montoya 2003, and fully limnic inland populations live in the Amazon and Orinoco River basins (Walker 1992, Odinetz Collart & Rabelo 1996, as well as in the upper Parana and Paraguay systems (Pettovello 1996, Bialetzki et al 1997, Magalhães 2000, Hayd & Nakagaki 2002.…”

Section: Introductionmentioning

confidence: 99%

From lecithotrophy to planktotrophy: ontogeny of larval feeding in the Amazon River prawn Macrobrachium amazonicum

Anger¹,

Hayd²

2009

Aquat. Biol.

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During downstream transport from rivers to estuaries, early larval stages of the Amazon River prawn Macrobrachium amazonicum (Heller 1862) are likely exposed to planktonic food limitation. In the laboratory, we studied the effects of presence or absence of food on larval survival, moulting and biomass (dry mass, and content of carbon, hydrogen and nitrogen). Unfed larvae developed successfully from hatching of the Zoea I (Z I) to the third zoeal stage (Z III). Complete absence of starvation effects indicated obligatory lecithotrophy in Z I, while significantly delayed moulting and reduced biomass in unfed Z II proved that this stage is facultatively lecithotrophic. Although unfed Z III did not develop any further (obligatory planktotrophy), they still showed a high endotrophic potential, surviving for up to another 10 d (in total 2 wk from hatching), and utilizing about two-thirds of their initial biomass. Dramatically decreasing C:N ratios in unfed larvae suggest an almost complete metabolic degradation of internal lipid stores (visible as fat droplets in the hepatopancreas region), but little protein mobilization. Larvae obtained from 2 different females differed significantly in biomass at hatching and, correspondingly, also in maximum survival time, delay of moulting to the Z III and average rates of biomass utilization. In conclusion, the early larval stages of M. amazonicum depend very little on food, shifting from completely non-feeding behaviour (Z I) through facultative lecithotrophy (Z II), to planktotrophy (later stages). This ontogenetic pattern may be an adaptation to initial food limitation associated with larval export from limnic to estuarine environments.

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Occurrence of Macrobrachium amazonicum (Heller) (Decapoda, Palaemonidae) in Leopoldo's inlet (Ressaco do Leopoldo), upper Paraná River, Porto Rico, Paraná, Brazil

Cited by 67 publications

References 3 publications

Larvae and post-larvae of Penaeidae and Palaemonidae in coastal lagoons of the North of Rio de Janeiro (Macaé, RJ)

Larvae and post-larvae of Penaeidae and Palaemonidae in coastal lagoons of the North of Rio de Janeiro (Macaé, RJ)

Uso de recursos alimentares por peixes imaturos e adultos de espécies piscívoras em uma planície de inundação neotropical

From lecithotrophy to planktotrophy: ontogeny of larval feeding in the Amazon River prawn Macrobrachium amazonicum

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