Results 41 to 50 of about 3,173 (211)
Journal of Fish Biology, EarlyView.Abstract This study evaluated the effects of the controlled flood pulse on diet composition, trophic niche breadth and feeding intensity of Archolaemus janeae, an electric knifefish species with a restricted distribution in the Amazon Basin. Monthly samples were collected from December 2020 to November 2021 in the Volta Grande stretch of the Xingu ...
Ana F. V. N. M. Costa +8 more
wiley +1 more source
Diversidade de tuviras comercializadas como iscas vivas pelas comunidades do Porto da Manga e Codrasa, Corumbá, MS. [PDF]
, 2013 A pesca é uma das principais atividades econômicas no Pantanal do Mato Grosso do Sul. Na década de 1990, o setor turístico pesqueiro cresceu expressivamente, gerando demandas por serviços especializados, como a captura de iscas vivas.
CALHEIROS, D. F., MARQUES, D. K. S.
core
Fish fauna from Río Pilcomayo National Park and Ramsar Site and its surroundings, Formosa, Argentina [PDF]
, 2014 The first list of fish species from the Río Pilcomayo National Park and Ramsar Site (RPNP), located in the WetChaco plains of Northern Argentina is presented here.
Baigún, Claudio Rafael M. +5 more
core +4 more sources
Assessment of fish assemblage in an urban system, Itapecerica River, upper São Francisco River basin, Divinópolis, Minas Gerais, Brazil [PDF]
Check List, 2013 Despite the economic and ecological importance of the Itapecerica River, there is no information about the local fish fauna. The aim of the present study was to provide a list of fish species in Itapecerica River, a tributary of the upper São Francisco ...
Fabrício Domingos +4 more
doaj +3 more sources
Highest Diploid Number Among Gymnotiformes: First Cytogenetic Insights into Rhabdolichops (Sternopygidae) [PDF]
Zebrafish, 2017 We report the first comparative cytogenetic analysis of two species from electrogenic fish of genus Rhabdolichops (Sternopygidae, Gymnotiformes): Rhabdolichops troscheli and Rhabdolichops cf eastwardi. R. troscheli has 2n = 54 (fundamental number [FN] = 66), whereas R. cf. eastwardi has 2n = 74 (FN = 78).
Suarez, Pablo +7 more
openaire +4 more sources
Environmental DNA, Volume 8, Issue 2, March/April 2026.Comparing eDNA metabarcoding and gillnet surveys in a Neotropical reservoir, this study finds that eDNA detects greater species richness yet reveals distinct assemblage structures. The results underscore the value of integrating both methods to achieve comprehensive biodiversity monitoring in hydropower‐impacted ecosystems.
Izabela Santos Mendes +6 more
wiley +1 more source
Determinação do sexo da Tuvira Gymnotus sp. através da análise de imagem de ultra-som [PDF]
, 2011 A tuvira (Gymnotus sp.) é um peixe muito conhecido no Pantanal por ser amplamente utilizado como isca viva pela pesca esportiva. Visto os problemas inerentes à sua coleta na natureza, como degradação ambiental e as condições desumanas de trabalho, faz-se
ACORCI, L. C. +2 more
core
Cardiac myoglobin deficit has evolved repeatedly in teleost fishes [PDF]
, 2014 Peer reviewedPublisher ...
Collins MR +3 more
core +2 more sources
Dietary resilience of coral reef fishes to habitat degradation
Journal of Animal Ecology, Volume 95, Issue 3, Page 397-417, March 2026.Metabarcoding of gut contents shows that two common benthic‐feeding reef fishes with different feeding stratgies—a butterflyfish (Chaetodon capistratus) and a hamlet (Hypoplectrus puella)—shift diets on degraded reefs. These shifts mirror contrasting patterns in body condition: butterflyfish showed strong individual variation, whereas condition was ...
Friederike Clever +9 more
wiley +1 more source
Comparative Cytogenetics, 2012 Cytogenetic studies were performed on the species Apteronotus prope albifrons Linnaeus, 1766, Rhamphichthys hahni Meinken, 1937 and Brachyhypopomus gauderio Giora & Malabarba, 2009, collected in the upper Paraná River floodplain, Porto Rico ...
Valéria Mendes +2 more
doaj +1 more source