Consulta: subjectFacets:"Stomach contents"
Registros recuperados: 22
Data/hora: 11/06/2024 08:17:55

Diet and feeding observations from an unusual beluga harvest in 2014 in Ulukhaktok, Northwest Territories, Canada
Provedor de dados: 5
Autores: Loseto, Lisa L.; Brewster, Jasmine D.; Ostertag, Sonja K.; Snow, Kathleen; Macphee, Shannon A.; Mcnicholl, Darcy G.; Choy, Emily S.; Giraldo, Carolina; Hornby, Claire A.
The Eastern Beaufort Sea (EBS) beluga (Delphinapterus leucas) population are an important traditional food for the Inuit of the Inuvialuit Settlement Region, Northwest Territories (NT) Canada. In 2014, over 30 beluga whales were harvested at Ulukhaktok, NT, the first occurrence for a large harvest in the area. Unlike observations from the established beluga harvest monitoring in the Mackenzie Estuary, these belugas had numerous prey and prey items in their stomachs. Our study objectives were to combine traditional and local knowledge (TLK) from beluga hunters with the analysis of dissected stomachs to identify EBS beluga diet, feeding behaviour, as well as gain insights into potential drivers of the event. TLK holders witnessed foraging behaviors such as...
Tipo: Text
Palavras-chave: Beluga diet; Stomach contents; Traditional and local knowledge; Sandlance.
Ano: 2018
URL: http://archimer.ifremer.fr/doc/00428/53927/55053.pdf

Trophic ecology of the European Hake in the Gulf of Lions, Northwestern Mediterranean Sea
Provedor de dados: 5
Autores: Mellon, Capucine; Harmelin-vivien, Mireille; Metral, Luisa; Loizeau, Veronique; Mortreux, Serge; Roos, David; Fromentin, Jean-marc.
The European hake, Merluccius merluccius, is an important resource for Mediterranean fisheries. This study focuses on juvenile and adult hake feeding ecology in the Gulf of Lions, using information from scientific surveys carried out during two seasons and three years (2004-2006). Stomach content and stable isotope (ä15N, ä13C) analyses were performed, and the main factors explaining variations in ä15N were investigated using GLMs. In the Gulf of Lions, hake mostly fed on crustaceans and fish and a dominant piscivorous regime was reached at 15 cm total length. Pelagic fish (sardine, anchovy and small blue whiting) were the main source of prey (40%-80%) and cannibalism was low (&lt;5%). The results confirmed that hake is an opportunistic feeder and also...
Tipo: Text
Palavras-chave: Foodweb; GLM; Habitat; Merluccius merluccius; Predator-prey relationships; Stable isotopes; Stomach contents.
Ano: 2017
URL: https://archimer.ifremer.fr/doc/00360/47091/47016.pdf

Mechanisms of trophic partitioning within two fish communities associated with a tropical oceanic island
Provedor de dados: 5
Autores: Trystram, Clément; Roos, David; Guyomard, David; Jaquemet, Sébastien.
Understanding drivers of trophic partitioning at the community level is an essential prerequisite to the establishment of ecosystem-based management of fisheries. In this study, we identify drivers of trophic partitioning within a community of epipelagic fish and a community of deep-water fishes off Reunion Island. Effects of intrinsic (species identity, etc.) and environmental variables (fishing zone, month) on stomach content composition and stable isotope ratios were tested using regression trees and linear models respectively. Our results demonstrated firstly an independence of both communities, with very few common prey although they occurred in similar localities, and secondly, very different patterns of resources partitioning among each community....
Tipo: Text
Palavras-chave: Trophic partitioning; Deep-sea; Epipelagic; Predator; Stable isotopes; Stomach contents.
Ano: 2015
URL: http://archimer.ifremer.fr/doc/00353/46440/46184.pdf

Trophic niche overlap of sprat and commercial small pelagic teleosts in the Gulf of Lions (NW Mediterranean Sea)
Provedor de dados: 5
Autores: Le Bourg, B.; Banaru, Daniela; Saraux, Claire; Nowaczyk, A.; Le Luherne, E.; Jadaud, Angelique; Bigot, Jean-louis; Richard, P.
Increasing abundance of non-commercial sprats and decreasing biomass and landings of commercial anchovies and sardines justify the need to study the feeding ecology and trophic niche overlap of these planktivorous species in the Gulf of Lions. Their diet has been investigated on the basis of stomach content and stable isotope analyses in 2011 and 2012 according to different depths and regions in the study area. The main prey were Corycaeidae copepods, Clauso/Paracalanus, Euterpina acutifrons and Microsetella, for sprats and small copepods, such as Microsetella, Oncaea and Corycaeidae, for anchovies and sardines. This is the first time that the diet of sprats is described in the Gulf of Lions. Sprats fed on a larger size spectrum of prey and seem to be more...
Tipo: Text
Palavras-chave: Anchovies; Sardines; Sprats; North-western Mediterranean sea; Stomach contents; Stable isotopes.
Ano: 2015
URL: http://archimer.ifremer.fr/doc/00272/38314/38625.pdf

Spatio-temporal variation in diet may affect condition and abundance of juvenile European hake in the Gulf of Lions (NW Mediterranean)
Provedor de dados: 5
Autores: Ferraton, Franck; Harmelin Vivien, Mireille; Mellon-duval, Capucine; Souplet, Arnauld.
Variations in space and time of juvenile hake diet (5 to 19 cm total length, TL) were investigated in the Gulf of Lions (NW Mediterranean) and related to variation in C and N stable isotope ratios, condition and abundance. Crustaceans (mysids and euphausiids) dominated the diet of the smallest juvenile hake (5 to 9 cm. TL), and fishes (sardines and anchovies) of the largest juveniles (15 to 19 cm TL). The transition from a crustacean- to a fish-based diet occurred in medium-sized juveniles (10 to 14 cm TL), which preyed on both crustaceans and fishes (gobiids). These juveniles preyed on fishes when living in shallow waters (30 to 50 m), and crustaceans when located in deep waters (70 to 150 m). Although hake diet did not change over time in shallow waters...
Tipo: Text
Palavras-chave: Recruitment; Relative condition factor; Nitrogen; Carbon; Stable isotopes; Stomach contents; Merluccius merluccius.
Ano: 2007
URL: http://archimer.ifremer.fr/doc/2007/publication-2627.pdf

Étude du régime alimentaire de l’ichtyofaune du lac ichkeul (Tunisie)
Provedor de dados: 5
Autores: Shaiek, Moez; Romdhane, Mohamed Salah; Le Loc'H, Francois.
In order to define the structure of trophic network of Ichkeul Lake in Tunisia, diet of main teleost fish species was determined during two seasons, wet and dry. A total of 491 stomachs from 16 teleost species was analyzed. The analysis revealed spatial variability (East under marine influence and West with more continental effect) and temporal one (wet and dry seasons). Based on stomach contents, nine trophic groups were revealed, including eight monospecific groups. The main prey are mudflat snails (Hydrobia ventrosa, H. acuta), bivalves (Abra alba, Cerastoderma glaucum), amphipods and isopods, as well as seagrass (Potamogeton pectinatus, Ruppia cirrhosa) and water brackish algae (Ulva spp. and Chaetomorpha spp., Cladophora sp., Polysiphonia sp.).
Tipo: Text
Palavras-chave: Ichthyofauna; Tunisia; Ichkeul Lake; Stomach contents; Prey; Diet; Trophic group.
Ano: 2015
URL: https://archimer.ifremer.fr/doc/00294/40541/73188.pdf

Observations ichtyologiques effectuées en 2003
Provedor de dados: 5
Autores: Quero, Jean-claude; Bellail, Robert; Spitz, J.
During 2003, one flying gurnard Dactylopterus volitans is recorded in southern Brittany. In 1995, we note the northward expansion to Brittany of Diplodus sargus in relation to the warming of water. The authors give some data on the diet of Liza aurata, Chelon labrosus and Torpedo nobiliana. NOT CONTROLLED OCR
Tipo: Text
Palavras-chave: Stomach contents; Torpedo nobiliana; Chelon labrosus; Liza aurata; Northward expansion; Warming; Diplodus sargus; 1995; Southern Brittany; Dactylopterus volitans; Contenu stomacaux; Torpedo nobiliana; Chelon labrosus; Liza aurata; Progression vers le nord; Réchauffement des eaux; Diplodus sargus; 1995; Sud Bretagne; Dactylopterus volitans.
Ano: 2004
URL: http://archimer.ifremer.fr/doc/2004/publication-3656.pdf

Diet is correlated with otolith shape in marine fish
Provedor de dados: 5
Autores: Mille, Tiphaine; Mahe, Kelig; Cachera, Marie; Villanueva, Ching-maria; De Pontual, Helene; Ernande, Bruno.
Previous studies have shown that food amount influence fish otolith structure, opacity and shape and that diet composition has an effect on otolith chemical composition. This study investigated the potential correlation between diet and otolith shape in 5 wild marine fish species by addressing 4 complementary questions. First, is there a global relationship between diet and otolith shape? Second, which prey categories are involved in this relationship? Third, what are the respective contributions of food quantity and relative composition to diet–otolith shape co-variation? Fourth, is diet energetic composition related to otolith shape? For each species, we investigated how otolith shape varies with diet. These questions were tackled by describing diet in...
Tipo: Text
Palavras-chave: Fourier analysis; English Channel; Interspecific; Morphometric analysis; Otolith growth; Saccular otolith; Stomach contents.
Ano: 2016
URL: https://archimer.ifremer.fr/doc/00345/45639/45269.pdf

Inventaire des proies ingérées par le marbré Lithognathus mormyrus (Linnaeus, 1758) (pisces : perciformes : sparidae) dans la baie d'Alger et d' Annaba
Provedor de dados: 5
Autores: Harchouche, K; Maurin, C; Quero, Jean-claude.
At the time of a survey of the biology of Lithognathus mormyrus and its feeding ecology and dynamies, in the region of Algiers and Annaba, preys ingested by this species were determined from stomach contents. Food was composed entirely of benthic organisms. It has been counted more than 45 species-preys distributed in 9 taxonomic classes. The quantitative analysis of these preys and the variation of the food regime according to a certain number of parameters were treated. The young individuals fed on small Tellinids bivalves and adults, on Crustaceans Amphipods, Cumaceans, Decapodes, Molluscs, sea urchins and Polychaetes. The feeding of this fish was rich and varied in preys species and little among them were preferential. The three main sources of food...
Tipo: Text
Palavras-chave: Algeria; Bay of Algiers and Annaba; Stomach contents; Lithognathus mormyrus; Algérie; Baie d'Alger et d'Annaba; Contenus stomacaux; Lithognathus mormyrus.
Ano: 2005
URL: http://archimer.ifremer.fr/doc/2005/publication-3689.pdf

Ontogenetic dietary and habitat shifts in goliath grouper Epinephelus itajara from French Guiana
Provedor de dados: 5
Autores: Artero, C.; Koenig, C. C.; Richard, P.; Berzins, R.; Guillou, G.; Bouchon, C.; Lampert, Luis.
The ecology, particularly the trophic ecology, of the Critically Endangered goliath grouper Epinephelus itajara (Lichtenstein 1822) in French Guiana (France) is relatively unknown. Such information would provide a better understanding of the role that goliath groupers play in the marine ecosystem of French Guiana. This study focused on the feeding ecology of the goliath grouper through stomach-content and stable-isotope analyses of captured specimens. The dietary composition of goliath groupers in French Guiana was similar to that of goliath groupers from other areas of the species' range. However, in French Guiana, goliath groupers exhibited an ontogenetic shift in diet that has not been demonstrated elsewhere. Crustaceans, primarily crabs, were dominant...
Tipo: Text
Palavras-chave: Epinephelidae; Critically Endangered species; Stomach contents; Carbon and nitrogen stable isotopes; Dietary shift; Migration; Mangroves · Diet.
Ano: 2015
URL: http://archimer.ifremer.fr/doc/00270/38151/36276.pdf

Spatial and temporal structure of predator-prey relationships in the Celtic Sea fish community
Provedor de dados: 5
Autores: Trenkel, Verena; Pinnegar, J; Dawson, W; Du Buit, M; Tidd, A.
The spatial and temporal structure of predator-prey relationships in the Celtic Sea was investigated for 4 commercially important predator species (cod Gadus morhua, hake Merluccius merluccius, megrim Lepidorhombus whiffiagonis, and whiting Merlangius merlangus) using stomach-content and bottom-trawl survey data for the period 1982 to 1995. Blue whiting Micromesistius poutassou were consumed more often during the summer months, whereas mackerel Scomber scombrus and Trisopterus spp. (poor cod T minutus, Norway pout T esmarkii, and bib T luscus) were found more often in predator stomachs during the winter half-year. On a spatial scale, blue whiting was consumed over the shelf edge, in accordance with their higher densities in the environment, while mackerel,...
Tipo: Text
Palavras-chave: Spatial distribution; Season; Celtic Sea; Preference; Stomach contents; Diet.
Ano: 2005
URL: http://archimer.ifremer.fr/doc/2005/publication-3619.pdf

Projet ANCRE-DMX2 : Indicateurs biologiques et écologiques pour une gestion durable des stocks de poissons DéMersauX profonds (100–700 m) d’intérêt halieutique à La Réunion
Provedor de dados: 5
Autores: Roos, David; Aumond, Yoann; Huet, Jerome; Bruchon, Franck.
L'usage de la ligne à main mécanisée (moulinet électrique) s'est développé à La Réunion au cours des années 2000. Ce métier s’est développé à la suite d’une campagne de prospection des ressources halieutiques profondes (200-700m), menée conjointement par le CRPMEM et l’Ifremer en 2000. L’objectif de cette campagne par pêche au moulinet électrique visait à identifier de nouvelles ressources démersales à des fins de diversification pour la petite pêche artisanale côtière professionnelle réunionnaise. Ainsi, les premiers résultats de cette étude avaient mis en évidence l'existence de nouvelles espèces et des stocks encore peu exploités à l’époque.  Leur exploitation par la pêche professionnelle mais aussi par la pêche plaisancière s’est dès lors développée...
Tipo: Text
Palavras-chave: Poissons démersaux; Pêche profonde; La Réunion; Pêche artisanale côtière; Indicateurs biologiques et écologiques; Stock halieutique; Lutjanidae; Bramidae; Epinephelidae; Squalidae; Ligne à main mécanisée; Isotopes stables; Contenus stomacaux; Génétique; Sclérochronologie; Demersal fish; Deepwater fishery; Reunion island; Artisanal fishery; Bio-ecological indices; Fish stock; Lutjanidae; Bramidae; Epinephelidae; Squalidae; Electric reel fishing gear; Isotopic analyses; Stomach contents; Genetic; Sclerochronology.
Ano: 2015
URL: http://archimer.ifremer.fr/doc/00347/45812/45553.pdf

Does diet in Celtic Sea fishes reflect prey availability?
Provedor de dados: 5
Autores: Pinnegar, J; Trenkel, Verena; Tidd, A; Dawson, W; Du Buit, M.
Feeding preferences of Celtic Sea fishes were investigated using a database of stomach content records, collected between 1977 and 1994. The diet of cod Gadus morhua, hake Merluccius merluccius, megrim Lepidorhombus whiffiagonis, whiting Merlangius merlangus and saithe Pollachius virens changed markedly as the animals grew larger, and although large predators generally chose larger bodied prey, the variability of prey sizes consumed also increased. Large predators continued to select small, low value, benthic prey (e.g. Callionymus spp. and Trisopterus spp.) which were easier to catch, rather than larger, more energy lucrative pelagic prey (e.g. mackerel Scomber scombrus), even though these pelagic prey-fishes were nearly always available and were often...
Tipo: Text
Palavras-chave: Stomach contents; Preference; Diet; Celtic Sea; Availability.
Ano: 2003
URL: http://archimer.ifremer.fr/doc/2003/publication-607.pdf

A study of stomach contents of Cory's shearwater, Calonectris diomedea borealis (Cory, 1881) (Aves: Procellariidae), from the Macaronesian Islands
Provedor de dados: 16
Autores: Hartog, J.C. den; Clarke, M.R.
Data are presented on the diet of Cory's Shearwater Calonectris diomedea borealis (Cory, 1881) resulting from stomach investigations based on 18 birds from Hierro (Canary Islands), 5 from Selvagem Grande (Selvagens or Salvage Islands), 2 from São Miguel and 1 from São Jorge (Azores), collected between 1977 and 1981. These data confirm the general idea that this shearwater feeds principally on fish and squid. The glandular stomachs of 9 birds from Hierro contained significant quantities of food, varying in wet weight from ca. 4-40 gm; in four cases more or less complete squids were present, all Ommastrephes bartrami (Le Sueur, 1821). In addition, the gizzards of all 26 birds, except one, contained fragments of squid beaks belonging to 12 species. Several of...
Tipo: Article / Letter to the editor
Palavras-chave: Procellariidae; Calonectris diomedea borealis (Cory; 1881); Diet; Stomach contents; Cephalopoda; SE North Atlantic; Macaronesia; 42.83.
Ano: 1996
URL: http://www.repository.naturalis.nl/record/318278

Subterranean ants (Hymenoptera, Formicidae) as prey of fossorial reptiles (Reptilia, Squamata: Amphisbaenidae) in Central Brazil
Provedor de dados: 84
Autores: Esteves,Flávia de Araújo; Brandão,Carlos Roberto Ferreira; Viegas,Karen.
The ant diversity observed in stomach contents of fossorial reptiles was compared to the subterranean ant richness collected using traditional and modern techniques of ant collections. We analyzed the alimentary tract of 64 specimens of amphisbaenians (4 Amphisbaena alba, 10 A. fuliginosa, 25 A. vermicularis, and 25 Leposternon infraorbitale) collected during the fauna rescue for the construction of Serra da Mesa hydroelectric dam in the Tocantins River (from 1992 to 1997), in Minaçu County, Goiás, Brazil. We found only five ant species present in the stomach contents, all belonging to the army ants subfamily Ecitoninae. In contrast, the traditional techniques for subterranean ants' collection are far more efficient than the exam of fossorial reptile's...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amphisbaenians; Ecitoninae; Subterranean ants; Stomach contents.
Ano: 2008
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0031-10492008002800001

Changes in trophic characteristics of two fish species of Astyanax (Teleostei: Characidae) in response to aquatic pollution
Provedor de dados: 103
Autores: Alonso,Mirella B.; Carvalho,Débora R. de; Alves,Carlos B. M.; Moreira,Marcelo Z.; Pompeu,Paulo S.
ABSTRACT The trophic plasticity of most fish species of Astyanax Baird &amp; Girard, 1854 in response to environmental changes and resource availability is high. This work evaluates the differences in the trophic characteristics of two congeneric species, Astyanax taeniatus (Jenyns, 1842) and Astyanax lacustris (Lütken, 1875), in Rio das Velhas Basin, which is highly impacted by the discharge of sewage from the Metropolitan Region of Belo Horizonte (MRBH). Eight sites were sampled and grouped into three regions: upper course (two sites upstream of the MRBH); middle course (three sites located in the middle portion of the Rio das Velhas, region with greater influence of the MRBH), and lower course (three sites downstream of the MRBH). Samples of fish and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Astyanax lacustris; Astyanax taeniatus carbon; Nitrogen enrichment; Stable isotopes; Stomach contents.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100318

Benthic macroinvertebrate assemblages structure in two headwater streams, south-eastern Brazil
Provedor de dados: 104
Autores: Tupinambás,Taynan H.; Callisto,Marcos; Santos,Gilmar B.
From December 2003 to September 2004, benthic macroinvertebrates (BM), fishes, water and sediment were collected quarterly at six stations in two streams of the upper São Francisco River basin, south-eastern Brazil. We evaluated the ecological conditions, habitat diversity, water quality, composition and structure of BM communities, as well as the food habits of the local fish fauna. By applying a protocol for rapid characterization of ecological conditions and habitat diversity, three of the sampled localities were classified as "pristine" while the others stations were considered "altered". A well oxygenated water with near neutral pH and low electric conductivity (&lt; 0.01 mS/cm) and nutrient concentrations (&lt; 0.08 mg/l total P and &lt; 0.90 mg/l...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bioindicators; Ecological conditions; Human activities; Stomach contents; Water quality.
Ano: 2007
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752007000400005

Novos registros de Veronicellidae (Gastropoda, Mollusca) para Itabuna, Bahia, Brasil e sua ocorrência no conteúdo estomacal de serpentes do gênero Dipsas Laurenti (Colubridae)
Provedor de dados: 104
Autores: Thomé,José Willibaldo; Santos,Sinara Silveira; Jeske,Vivian Luciana.
The predominant occurrence of the species Sarasinula marginata (Semper, 1885) in 31 lots, all proceeding from the stomach contents of the snakes Dipsas Laurenri, 1768 was determined. A species still not determined of Novovaginula Thiele, 1931 was represented in 10 lots and in a living collected lot (with only one specimen, not mature). One-third species, Potamojanuarius fuscus (Heynemann, 1885) is represented only in a lot of slugs collected alive (seven specimens) and was confirmed in a lot of four specimens, this of the Museum of Zoology, University of São Paulo (USP), São Paulo. All the other lots were sent by F.Q. Alves, Department of Zoology, State University of São Paulo (UNESP), Botucatu, São Paulo.
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Mollusca; Gastropoda; Veronicellidae; Dipsas; Snakes; Stomach contents; Itabuna.
Ano: 2001
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752001000100034

Overlap of dietary niche and electivity of three shrimp species (Crustacea, Decapoda) in a tropical coastal lagoon (Rio de Janeiro, Brazil)
Provedor de dados: 104
Autores: Albertoni,Edélti Faria; Palma-Silva,Cleber; Esteves,Francisco de Assis.
Three species of shrimp, Farfantepenaeus brasiliensis (Latreille, 1817), F. paulensis (Pérez-Farfante, 1967) (Penaeidae) and Macrobrachium acanthurus (Wiegmann, 1836) (Palaemonidae) were sampled at the Imboassica lagoon (Rio de Janeiro State, Brazil), in order to estimate the overlap of dietary niches and electivity of their prey, through the analysis of the fauna associated with the macroalgae Chara and of the benthic fauna on the sediment. The overlap of dietary niches was estimated using five indexes. A total of 495 F. brasiliensis, 131 F. paulensis and 102 M. acanthurus stomachs were examined. The results of the different indexes of niche overlap exhibited the same general trend in the three species, indicating a high degree of homogeneity in the diet...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Feeding; Farfantepenaeus brasiliensis; Farfantepenaeus paulensis; Macrobrachium acanthurus; Stomach contents.
Ano: 2003
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752003000100017

LA ALIMENTACIÓN DE TIBURONES MARTILLO JOVENES (SPHYRNA LEWINI) CAPTURADOS EN EL GOLFO DE NICOYA, COSTA RICA
Provedor de dados: 50
Autores: Zanella Cesarotto,Ilena; López Garro,Andrés; Arauz Vargas,Randall.
Sharks present strong intraspecific changes in feeding habits, which may vary according to size, geographic location and season. This study analyzed the stomach contents of 52 juvenile scalloped hammerhead sharks (25 females and 27 males) caught by artisanal vessels in the Gulf of Nicoya. Regarding the organisms found in the stomachs, 41.07 % were teleost fish, 30.36 % mollusks and 28.57 % crustaceans. Mollusks presented the highest Relative Importance Index (RII) (43.05 %), followed by teleost fish (41.37 %) and crustaceans (15.58 %). Squids (Loliginidae) were the items with the greatest RII (32.57 %). By means of the Pianka index, a relatively low overlap between sexes was identified, suggesting a spatial sexual segregation and, in consequence, an...
Tipo: Info:eu-repo/semantics/report
Palavras-chave: Scalloped hammerhead shark; Stomach contents; Gulf of Nicoya; Relative importance index.
Ano: 2010
URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0122-97612010000200011

COMPOSICIÓN DIETARIA DEL PEZ LEÓN, PTEROIS VOLITANS (PISCES: SCORPAENIDAE), EN SANTA MARTA Y EL PARQUE NACIONAL NATURAL TAYRONA*
Provedor de dados: 50
Autores: Muñoz-Escobar,Laura; Gil-Agudelo,Diego Luis.
The lionfish (Pterois volitans) has established in the Colombian Caribbean coast. Its presence was reported for the first time in continental Colombia in 2009, but its abundance has increased significantly by the end of 2009 and 2010, being now common to find it in the entire Colombian Caribbean. The present study evaluates the diet components of the lionfish in Santa Marta and Tayrona National Park. Five teleost families (Apogonidae, Gobiidae, Serranidae, Clupeidae, and Pomacentridae) and some crustaceans were identified as components of the diet of the lionfish. Some of these organisms belong to families of ecological and economic importance, which can have impacts on populations of local fish as has happened in other latitudes. Consequently, this...
Tipo: Info:eu-repo/semantics/report
Palavras-chave: Diet composition; Invasive species; Lionfish; Pterois volitans; Stomach contents.
Ano: 2012
URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0122-97612012000200012

Feeding habits of the spider crab Libinia spinosa H. Milne Edwards, 1834 (Decapoda, Brachyura) in Ubatuba bay, São Paulo, Brazil
Provedor de dados: 52
Autores: Barros,Samara de Paiva; Cobo,Valter José; Fransozo,Adilson.
The main goal of this study was the identification of the items of the diet of the L. spinosa, based on the stomach contents analysis. The crabs were obtained from Ubatuba region north-eastern shore of São Paulo State. In the laboratory, all the individuals were dissected, the stomach was retreated and fixed in 10% formaline. The alimentary items were identified under stereomicroscope and analysed by the method of Frequency of Occurrence. A total of 194 stomachs was analysed and nine alimentary items were obtained. Unindentified material was found in 98% of analysed stomach and poriferan were present in less then 1% of stomachs. These results pointed a diversified diet explored by this crab, as well as the employment of some different methods for food...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Stomach contents; Alimentary itens; Spider crab.
Ano: 2008
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132008000200023