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	Provedor de dados Neotropical Ichthyology (6) Rev. Bras. Zool. (5) Zoologia (5) Autor Vieira,João P. (16) Garcia,Alexandre M. (7) Bemvenuti,Marlise A. (4) Lemos,Valéria M. (3) Loebmann,Daniel (3) Marques,David M. L. Motta (3) Burns,Marcelo D. M. (2) Condini,Mario V. (2) Mai,Ana C. G. (2) Brito,Cíntia P. (1) Condini,Mario Vinicius L. (1) Condini,Vinicius (1) Geraldi,Ricardo M. (1) Hoeinghaus,David J. (1) Lameiro,Fábio R. (1) Lopes,Michelle N. (1) Moresco,Alex (1) Rodrigues,Fábio L. (1) Santos,Mauricio L. (1) Santos,Mauricio L. dos (1) Mais... Palavra-chave Neotropical fishes (2) Patos-Mirim Lagoon complex (2) Subtropical wetland (2) Amundsen Method (1) Anablepidae (1) Artisanal fishery (1) Barrigudinho (1) Bootstrap (1) Brazilian Long Term Ecological Research (PELD) (1) Bufonidae (1) Crescimento (1) Dam (1) Diet (1) Diet overlap (1) Distribution (1) Ecological Reserve (1) Ecossistema costeiro (1) Endangered species (1) Epinephelus marginatus (1) Estuarine fishes (1) Mais... Tipo do documento Info:eu-repo/semantics/article (16) Ano 2018 (3) 2013 (1) 2011 (2) 2010 (1) 2006 (4) 2005 (4) 2004 (1) Mais... País Brazil (16) Idioma Inglês (13) Português (3)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 16 Primeira ... 1 ... Última Preliminary examination of food web structure of Nicola Lake (Taim Hydrological System, south Brazil) using dual C and N stable isotope analyses Neotropical Ichthyology Garcia,Alexandre M.; Hoeinghaus,David J.; Vieira,João P.; Winemiller,Kirk O.; Marques,David M. L. Motta; Bemvenuti,Marlise A.. Taim Ecological Reserve is located within the Taim Hydrological System and was created to protect a heterogeneous and productive landscape harboring exceptional biological diversity in southern Brazil. Using stable isotope ratio analyses of carbon (delta13C) and nitrogen (delta15N), we provide a preliminary description of the food web structure, including estimates of production sources supporting fish populations and vertical trophic structure, within a representative lake of this system. A total of 21 organisms (5 macrophytes, 3 mollusks and 13 adult fishes) representing 16 species were collected for isotope analysis. Fishes had delta13C values ranging from -24.30º/oo to -28.31º/oo , showing concordance with the range of values observed for macrophytes... Tipo: Info:eu-repo/semantics/article Palavras-chave: Subtropical wetland; Neotropical fishes; Patos-Mirim Lagoon complex; Long-Term Ecological Research (LTER); Brazilian Long Term Ecological Research (PELD). Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252006000200014 Diet composition and feeding strategy of the southern pipefish Syngnathus folletti in a Widgeon grass bed of the Patos Lagoon Estuary, RS, Brazil Neotropical Ichthyology Garcia,Alexandre M.; Geraldi,Ricardo M.; Vieira,João P.. Pipefish species are poorly known representatives of the family Syngnathidae, which have been increasingly threatened by anthropogenic activities. We describe the diet composition and feeding strategy of southern pipefish Syngnathus folletti inhabiting a Widgeon grass (Ruppia maritima L.) bed in the estuarine zone of Patos Lagoon, southern Brazil. We also investigated whether mouth gape affected the size of prey items consumed and based on indirect evidence, we suggest possible pipefish foraging movements within the bed. Individuals were collected from December 1994 to March 1995 in a Ruppia maritima bed located in the Patos Lagoon Estuary during day and night periods. We analyzed the stomach contents of 108 individuals (54 females and 54 males). Both... Tipo: Info:eu-repo/semantics/article Palavras-chave: Syngnathidae; Ruppia maritima; Feeding ecology; Size-biased feeding; Prey size. Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252005000300011 Checklist comparison and dominance patterns of the fish fauna at Taim Wetland, South Brazil Neotropical Ichthyology Garcia,Alexandre M.; Bemvenuti,Marlise A.; Vieira,João P.; Marques,David M. L. Motta; Burns,Marcelo D. M.; Moresco,Alex; Condini,Mario Vinicius L.. Taim Hydrological System is a unique subtropical wetland in southern Brazil harboring an exceptional biological diversity. In 1978, an ecological reserve was established to protect part of this area from increasing anthropogenic impacts in its surroundings. Fishes have been poorly investigated in this system. Based on a multi-gear sampling study encompassing several years (2001-2005), and on comparisons with previous fish inventories, we provide an up-to-date species list of fishes occurring in the Taim Wetland. In addition, we made the first preliminary description of fish dominance patterns found in the main lakes of the system (Flores, Nicola, Jacaré and Mangueira). Checklist comparison resulted in 62 fish species distributed in 24 families, with... Tipo: Info:eu-repo/semantics/article Palavras-chave: Subtropical wetland; Neotropical fishes; Ecological Reserve; Invasive species; Patos-Mirim Lagoon complex. Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252006000200012 Evidence of habitat fragmentation affecting fish movement between the Patos and Mirim coastal lagoons in southern Brazil Neotropical Ichthyology Burns,Marcelo D. M.; Garcia,Alexandre M.; Vieira,João P.; Bemvenuti,Marlise A.; Marques,David M. L. Motta; Condini,Vinicius. The communication between the Patos and Mirim lagoon systems occurs via a natural channel called São Gonçalo. In 1977, a dam was built in this channel to prevent entrance of saline waters from Patos Lagoon estuary into the Mirim Lagoon. Our results showed an abrupt discontinuity in salinity and fish species distribution along the study sites. Sites below the dam showed salinity values higher than zero, whereas sites above had zero salinity values across all sampling periods. Marine and estuarine fishes (e.g., mullets Mugil platanus, M. curema, silversides Odontesthes argentinensis, Atherinella brasiliensis, sardine Brevoortia pectinata, and white croaker Micropogonias furnieri) were not captured above the dam. If these juvenile fishes could enter the Mirim... Tipo: Info:eu-repo/semantics/article Palavras-chave: Dam; Fish migration; Artisanal fishery; Estuary. Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252006000100006 Discrimination of habitat use between two sympatric species of mullets, Mugil curema and Mugil liza (Mugiliformes: Mugilidae) in the rio Tramandaí Estuary, determined by otolith chemistry Neotropical Ichthyology Mai,Ana C. G.; Santos,Mauricio L. dos; Lemos,Valéria M.; Vieira,João P.. ABSTRACT Two sympatric species of marine mullets, Mugil curema and M. liza, use the rio Tramandaí Estuary as nursing grounds. When two closely related species are sympatric, various mechanisms may permit their coexistence, including spatial or temporal segregation that results in the divergent use of the resources for which they compete. To investigate the spatial segregation, we used otolith chemistry inferred through laser ablation-inductively coupled plasma mass spectrometry. Our results indicate that in the rio Tramandaí Estuary, M. curema is associated with high salinity waters and can be classified as a Marine Migrant in the Marine Estuarine-opportunist subcategory. Mugil liza is associated with lower salinity and can be classified as a Marine... Tipo: Info:eu-repo/semantics/article Palavras-chave: Estuarine use; LA-ICPMS; Marine migrant; Migratory behavior; Otolith elemental fingerprint. Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252018000200201 Diet and feeding strategy of the dusky grouper Mycteroperca marginata (Actinopterygii: Epinephelidae) in a man-made rocky habitat in southern Brazil Neotropical Ichthyology Condini,Mario V.; Seyboth,Elisa; Vieira,João P.; Garcia,Alexandre M.. The dusky grouper (Mycteroperca marginata) is a marine species usually associated with rocky bottoms and reefs. The present work investigated the diet and feeding strategy of a dusky grouper population inhabiting a 4.5 km long pair of rocky jetties located in the mouth of Patos Lagoon estuary. No prior research has been conducted in such man-made habitat and the current study provides a basis for comparative studies on the diet of the dusky grouper populations inhabiting natural vs. man-made rocky habitats. Similarly with previous studies on natural substrates, crabs and fishes were the main food categories consumed (%IRI = 85.1 and %IRI = 12.6, respectively), whereas shrimps and mollusks had lower importance in the diet (%IRI = 1.9 and 0.4, respectively).... Tipo: Info:eu-repo/semantics/article Palavras-chave: Endangered species; Epinephelus marginatus; Jetties; Patos Lagoon; Stomach content analysis. Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000100015 The feeding habits of the endemic Remo flounder, Oncopterus darwinii (Actinopterygii: Pleuronectidae), in an exposed sandy beach’s surf zone in southern Brazil Rev. Bras. Zool. Lameiro,Fábio R.; Condini,Mario V.; Brito,Cíntia P.; Vieira,João P.. ABSTRACT The Remo flounder, Oncopterus darwinii Steindachner, 1874 is a small Pleuronectidae (~ 250 mm TL) distributed in the warm-temperate zone from Santa Catarina (28°S - Brazil) to the Gulf of San Matías (42°S - Argentina). We studied the occurrence and diet of juveniles of this flatfish (85% < 100 mm TL) for one year (August 2009 to July 2010) in a southern Brazilian sandy beach. Individuals were much more common in spring and early summer than in the other seasons. Of the 758 individuals analyzed, only 69 (9.1%) were found with empty stomachs. The Remo flounder fed predominantly on small crustaceans (gammarid amphipods, mysids and the hipiidae Emerita brasiliensis Schmitt, 1935) and no seasonal differences were found in the composition of the diet... Tipo: Info:eu-repo/semantics/article Palavras-chave: Feeding strategy; Flatfish; Marine fish; Southwestern Atlantic Ocean. Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100331 Size-selective predation of the catfish Pimelodus pintado (Siluriformes: Pimelodidae) on the golden mussel Limnoperna fortunei (Bivalvia: Mytilidae) Rev. Bras. Zool. Vieira,João P.; Lopes,Michelle N.. This paper describes the size-selective predation on Limnoperna fortunei (Dunker, 1857) by Pimelodus pintado (Azpelicueta, Lundberg &amp; Loureiro, 2008) from the time it arrived at the Mirim Lagoon basin (2005). Sampling was carried out using bottom trawl in depths of 3-6 m, from January to November 2005, and from October to November 2008. Pimelodus pintado began to prey upon L. fortunei soon after its arrival (austral spring of 2005). On the spring of 2008, L. fortunei was found to be the most important food item of P. pintado. The variation in length of the mussels (0.7-3.2 cm, with a mode of 1.3 cm) indicates that the species is now fully established in the system. Our data indicates that large individuals of P. pintado incorporate more mussels in... Tipo: Info:eu-repo/semantics/article Palavras-chave: Diet; Freshwater invasion; Opportunistic predator; Mirim Lagoon. Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000100005 The reproductive biology of the plata pompano, Trachinotus marginatus (Teleostei: Carangidae), in southern Brazil Rev. Bras. Zool. Lemos,Valéria M.; Varela Junior,Antônio S.; Velasco,Gonzalo; Vieira,João P.. The Plata pompano, Trachinotus marginatus (Cuvier, 1832), is an endemic carangid of the Southwestern Atlantic Ocean, occurring from Rio de Janeiro to Uruguay. This study describes the reproductive period, spawning type, the size at first gonadal maturation and the length-weight relationship of individuals sampled from landings of the artisanal and commercial fishing fleets in Rio Grande that operate along the coast of Rio Grande do Sul state, southern Brazil (~ 32ºS) to the Uruguayan border (~ 34ºS). Monthly collections from September 2008 through January 2010 yielded 274 individuals ranging from 142 to 444 mm in total length (TL). The gonadal development stages were defined according to the histological examination of the ovaries and the testes. The... Tipo: Info:eu-repo/semantics/article Palavras-chave: Reproductive period; Sexual maturation; Spawning; Weight-length relationship. Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000500008 No mullet, no gain: cooperation between dolphins and cast net fishermen in southern Brazil Rev. Bras. Zool. Santos,Mauricio L.; Lemos,Valéria M.; Vieira,João P.. ABSTRACT We report on the interaction between common bottlenose dolphins, Tursiops truncatus (Montagu, 1821) and cast net fishermen in southern coast of Brazil. The fishery was monitored in the mouth of the Tramandaí River Estuary to investigate the seasonality of catches and their relationships with a set of variables: presence/absence and number of bottlenose dolphins, fishing area, temperature, salinity, wind and water flow direction in the channel. The mullet, Mugil liza Valenciennes, 1836 is the target species and was the dominant fish in the catches (77% of total catch; 50% in frequency; 0.2 ind. x f-1). The use of GLM models helped to reveal that the number of the bottlenose dolphins, time of year (months) and spatial variation of fishing activity... Tipo: Info:eu-repo/semantics/article Palavras-chave: Fishing activity; Generalized linear models; Mugil liza; Seasonality; Tramandaí River Estuary; Tursiops truncatus. Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100340 Feeding strategy of Menticirrhus americanus and Menticirrhus littoralis (Perciformes: Sciaenidae) juveniles in a sandy beach surf zone of southern Brazil Rev. Bras. Zool. Rodrigues,Fábio L.; Vieira,João P.. The diet and foraging strategy of juvenile Menticirrhus americanus (Linnaeus, 1758) and Menticirrhus littoralis (Holbrook, 1847) were studied, testing the existence of trophic overlap between these species and within different seasons (spring and summer). Individuals were sampled using a beach seine in the surf zone near Rio Grande, state of Rio Grande do Sul, Brazil. Based on Morisita's Simplified Overlap Index and Bootstrapping technique, trophic overlap between species was considered high during the spring (Cik = 0.97 ± 0.07) and low during the summer (Cik = 0.37 ± 0.14). Juveniles shared the same food resources during the spring (FO of amphipods > 0.75), with the M. americanus diet presenting lower prey diversity (N = 7) when compared to M.... Tipo: Info:eu-repo/semantics/article Palavras-chave: Amundsen Method; Bootstrap; Diet overlap; Gulf Kingfish; Southern Kingfish. Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600006 First records of introduced carps (Teleostei, Cyprinidae) in the natural habitats of Mirim and Patos Lagoon estuary, Rio Grande do Sul, Brazil Zoologia Garcia,Alexandre M.; Loebmann,Daniel; Vieira,João P.; Bemvenuti,Marlise A.. This is the first record in the wild of occurrence of four carp species (bighead Aristichthys nobilis (Richardson, 1845), common Cyprinus carpio carpio Linnaeus, 1758, silver Hypophthalmichthys molitrix (Valenciennes, 1844), and grass carp Ctenopharyngodon idellus (Valenciennes, 1844)) in the Mirim Lagoon and Patos Lagoon estuary. Our findings reinforce the hypothesis that during periods of elevated rainfall and freshwater discharge, exotic species could be easily transported from overflowed ponds and lakes into the Mirim-Patos Lagoon and then estuarine area. Tipo: Info:eu-repo/semantics/article Palavras-chave: Exotic species; Native fishes; Rice-field aquaculture; Sport fish ponds. Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752004000100027 Ecological analogies between estuarine bottom trawl fish assemblages from Patos Lagoon, Rio Grande do Sul, Brazil and York River, Virginia, USA Zoologia Vieira,João P.. The structure of estuarine fish assemblages at temperate latitudes in Patos Lagoon (32º05'S, 52º04'W), Rio Grande do Sul, Brazil and York River (37º17'N, 76º33'W), Virginia, USA was compared using mid and late 1970's data from bottom trawl collection to investigate whether geographically isolated fish assemblages have similar ecological structure given similar latitudinal positions on the warmtemperate southwestern and northwestern Atlantic regions, respectively. Since estuarine species often exhibit an ontogenetic shift in habitat requirements or preferences we examined Capture per Unity of Effort by size class (CPUE-SC) and split species into "size ecological taxa" (SET) for analysis. The use of CPUE-SC also allowed the abundance of a SET to be computed... Tipo: Info:eu-repo/semantics/article Palavras-chave: Distribution; Estuarine fishes; Size; South-north comparison; Zoogeography. Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752006000100017 Relação dos anfíbios do Parque Nacional da Lagoa do Peixe, Rio Grande do Sul, Brasil Zoologia Loebmann,Daniel; Vieira,João P.. Este trabalho apresenta uma relação das espécies de anfíbios do Parque Nacional da Lagoa do Peixe. Durante os anos de 2001 e 2002 os anfíbios foram amostrados através de armadilhas de queda, procura visual e identificação através da atividade de vocalização. O estudo cobriu três diferentes ambientes: a) campos e banhados; b) dunas costeiras e c) praia oceânica. Observou-se a presença de 13 espécies distribuídas em três famílias (Bufonidae, Leptodactylidae e Hylidae). As espécies encontradas são típicas da região costeira do Rio Grande do Sul. O número de espécies foi diferente para cada ambiente, sendo maior no ambiente de campos e banhados onde todas as espécies foram encontradas. Nas dunas costeiras foram encontrados sete espécies de anfíbios, sendo... Tipo: Info:eu-repo/semantics/article Palavras-chave: Bufonidae; Ecossistema costeiro; Hylidae; Leptodactylidae; Levantamento de fauna. Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752005000200006 Distribuição espacial e abundância das assembléias de peixes no Parque Nacional da Lagoa do Peixe, Rio Grande do Sul, Brasil Zoologia Loebmann,Daniel; Vieira,João P.. Este trabalho analisou a distribuição espacial e a abundância relativa da ictiofauna ao longo do gradiente salino do Parque Nacional da Lagoa do Peixe. Em função de apresentar uma barra intermitente, que permite a entrada de água salgada dentro de um sistema alimentado constantemente por água de baixa salinidade, proveniente de banhados e arroios, a Lagoa do Peixe apresentou uma ictiofauna composta de espécies límnicas, estuarino-relacionadas e marinhas. Baseado na composição específica da ictiofauna, a Lagoa pode ser compartimentada em quatro subsistemas: pré-límnico raso, pré-límnico profundo, estuarino raso e estuarino profundo. A variabilidade espacial na composição da ictiofauna revelou que existe uma mudança gradual na dominância das principais... Tipo: Info:eu-repo/semantics/article Palavras-chave: Estuário; Ictiofauna; Unidade de conservação. Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752005000300023 Influência da salinidade no crescimento de juvenis de Jenynsia multidentata Jenyns (Pisces) Zoologia Mai,Ana C. G.; Garcia,Alexandre M.; Vieira,João P.. Tendo em vista que as populações de Jenynsia multidentata Jenyns, 1842 aparentemente atingem maiores comprimentos na região estuarina da Lagoa dos Patos quando comparadas com o ambiente límnico adjacente, foi realizado um experimento laboratorial, visando a comparação das taxas de crescimento, do comprimento e peso total dos juvenis da espécie mantidos em duas salinidades (zero e 16). Quatro proles de diferentes fêmeas foram separadas, logo após o parto, em aquários de quatro litros, sendo que metade dos indivíduos de cada prole foi submetida a salinidade zero e a outra metade a salinidade 16. Quatro aquários foram mantidos a temperatura constante de 28°C e, outros quatro aquários sofreram modificação da temperatura no décimo oitavo dia de experimento,... Tipo: Info:eu-repo/semantics/article Palavras-chave: Anablepidae; Barrigudinho; Crescimento; Salinidade. Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752005000300041 Registros recuperados: 16 Primeira ... 1 ... Última

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