Neotropical Ichthyology

Papers
(The median citation count of Neotropical Ichthyology is 1. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-08-01 to 2026-08-01.)
ArticleCitations
Chromosome spreading of the retrotransposable Rex-1 and Rex-3 elements and 5S rDNA clusters in the karyotype of Eigenmannia catira (Gymnotiformes: Sternopygidae)44
Redescription of Hyphessobrycon cachimbensis (Characiformes: Characidae) with the description of a new congener from the Serra do Cachimbo, Brazil16
Population genomics of Gymnogeophagus labiatus and G. lacustris reinforces the role of hydrographic isolation between evolutionary lineages (Cichlidae: Geophagini)13
Redescriptions of two little-known pimelodid catfishes from the São Francisco River basin, Brazil: Duopalatinus emarginatus and Bagropsis reinhardti (Teleostei: Siluriformes)10
An ode to beauty: the discovery of one of the most spectacular tetras (Characiformes: Acestrorhamphidae) - a new species of Inpaichthys from the rio Juruena, Brazil10
Description of new putative multicomponent courtship signal for mate recognition in Rachoviscus crassiceps (Characiformes: Acestrorhamphidae)10
Immediate effects of channelization on fish assemblages in two urban tropical streams9
A new long-snouted Corydoras (Siluriformes: Callichthyidae) from the rio Xingu and rio Tapajós basins, Brazilian Amazon7
Genetic diversity of the species Cnesterodon hypselurus (Cyprinodontiformes: Poeciliidae) in Cinzas River basin: new record and headwater capture evidences7
Functional diversity and ecological patterns of reef fish assemblages across depth gradients in oceanic islands of the Brazilian Province7
The impact of acute exposure to the glyphosate-based herbicide Templo® on yellowtail tetra fish Astyanax lacustris, both before and after treatment through a vertical flow constructed wetland system7
Allometric patterns in Potamotrygon motoro (Myliobatiformes: Potamotrygonidae): insights into sexual and ontogenetic variation7
Redescription of Austrolebias accorsii (Cyprinodontiformes: Rivulidae) and description of a new species of the genus from the upper Paraguay River basin7
Two new species of Gobioclinus (Blenniiformes: Labrisomidae) from the western South Atlantic, with comments on the conservation of cryptobenthic reef fishes in the Brazilian Province7
Fishers’ knowledge on abundance and trophic interactions of the freshwater fish Plagioscion squamosissimus (Perciformes: Sciaenidae) in two Amazonian rivers7
Revision of Prodontocharax and revalidation of Amblystilbe (Teleostei: Characidae: Cheirodontinae), with description of a new species6
Iterative taxonomy reveals a new species of Cambeva (Siluriformes: Trichomycteridae) with intraspecific variation from the rio Piquiri and Ivaí basin, upper rio Paraná basin, Brazil6
Dispersal limitation, environmental filtering, and historical contingencies explain the patterns of taxonomic and phylogenetic turnover in Amazonian freshwater fish faunas, but only poorly their funct6
The ichthyofaunal composition of Amazonian streams reflects localized environmental changes associated with buried mining pipeline infrastructure6
Fish injuries resulting from transient operating conditions in a Brazilian hydropower plant: morphological, physiological and biochemical evaluation in Pimelodus maculatus (Siluriformes: Pimelodidae)6
A new masked Corydoras (Siluriformes: Callichthyidae) from the Itaya and Nanay river basins, Peruvian Amazon6
A new tetra of the genus Astyanax (Characiformes: Acestrorhamphidae) with lateral stripes from lower Amazon basin, Brazil6
Redescription and expansion of the geographic distribution of Phenacorhamdia nigrolineata (Siluriformes: Heptapteridae)6
Integrative taxonomy data are reconciled around Arapaima gigas (Osteoglossiformes: Arapaimidae) for the Brazilian Amazon6
A big task for a miniature species: understanding Fluviphylax simplex (Cyprinodontiformes: Fluviphylacidae) distribution6
DNA extracted from museum specimens of the 19th century provides a taxonomic resolution on the identity of the characid fish Psalidodon jequitinhonhae (Ostariophysi: Characiformes)6
Activation of cannabinoid type 2 (CB2) receptors promotes the maintenance of redox homeostasis and protects against oxidative distress in the Neotropical freshwater fish matrinxã Brycon amazonicus (Ch5
Mitochondrial multilocus data suggests fine-scale influences of Pleistocene events on the spatial distribution of lineages of a fish species among neighboring sub-basins in the southern upper Paraná R5
Microplastics contamination in fish, water, and sediment surrounding Ubatuba beaches, Southeastern Brazil5
High fish richness associated with the southernmost Atlantic coral reef and adjacencies: comments on conservation and management for sustainable use5
Evaluating sampling methods for fish diversity and composition across seasons in Northeastern Brazil’s reservoirs5
Gonadal development and reproductive traits of pacific flat sleeper Dormitator latifrons (Gobiiformes: Eleotridae): insights for sustainable management in Ecuador5
A new genus and species of miniature tridentine catfish from the Amazon basin (Siluriformes: Trichomycteridae)5
A taxonomic review of the Neotropical electric fish Rhamphichthys (Gymnotiformes: Rhamphichthyidae)5
Genetic and morphological analysis of Herichthys pantostictus (Cichliformes: Cichlidae) populations that showed mitochondrial DNA introgression5
Different stocks of Prochilodus lineatus along the Cinzas River basin: contributions from a free-flowing tributary in the Capivara Reservoir region, Paranapanema River basin (upper Paraná River)5
Cytogenetic and molecular identification of Chaetostoma bifurcum (Siluriformes: Loricariidae) from the Pacific Coast of Ecuador4
Research goals of special concern for Carcharhinus leucas (Carcharhiniformes: Carcharhinidae) in Latin America – biological, distributional, and conservation priorities4
Chondrichthyan systematics in Brazil depicted: historical overview, research trends and future perspectives4
Restricted to oceanic and coastal islands? The absence of lemon sharks (Negaprion brevirostris) along the Brazilian coast4
Systematic assessment of the Hypomasticus steindachneri (Characiformes: Anostomidae) species complex, with the description of a new species4
Identification of fish eggs and larvae using a novel DNA metabarcoding approach4
Cytogenetic profiles of two circumglobal snake mackerel species (Scombriformes: Gempylidae) from deep waters of the São Pedro and São Paulo Archipelago4
Home range and movement patterns of parrotfish in subtropical reefs of the Southwestern Atlantic4
Dams and agricultural lands affect energy sources and the trophic position of fish in a floodplain4
How many lineages are there of the stingrays genus Hypanus (Myliobatiformes: Dasyatidae) and why does it matter?4
Total mercury concentrations in muscles of little tunny species (Euthynnus alletteratus) sold in the city of Cabo Frio, State of Rio de Janeiro, Brazil4
Dismantling the Phalloceros harpagos species complex (Teleostei: Poeciliidae): description of a new species from Brazilian highlands based on morphological and molecular evidence4
Fishes of the upper rio Paraná basin: diversity, biogeography and conservation4
Effect of dietary omega-3 polyunsaturated fatty acids supplementation of Astyanax lacustris males on semen quality4
A new Hemigrammus (Characiformes: Acestrorhamphidae) from the rio Cuiabazinho drainages, upper rio Paraguai basin4
A long-hidden species of Pimelodella (Siluriformes: Heptapteridae) from the upper and middle Orinoco, and western Amazon tributaries4
Cytogenetic and COI-based analyses support a polytypic status of Astrodoras (Doradidae: Siluriformes)4
Number of individuals, but not habitat complexity, influences the antipredator behavior of an Amazonian floodplain fish4
New species of Farlowella (Siluriformes: Loricariidae) from the rio Tapajós basin, Pará, Brazil3
Molecular cloning and gene expression of desaturases and elongases in embryos, larvae, and adults of bay snook Petenia splendida (Cichliformes: Cichlidae)3
Vulnerability of rheophilic fishes to water abstraction in pump-irrigated rice fields in southern Brazil3
Integrative study of Characidium borellii (Characiformes: Crenuchidae): phylogenetic relationships and geographic distribution3
Integrative taxonomy elucidates the species of Proloricaria (Siluriformes: Loricariidae)3
Hidden diversity of the catfish genus Trachelyichthys (Siluriformes: Auchenipteridae): a revisionary study with description of four new species from the Amazon basin3
Dynamics of fish larvae recruitment in the hydrographic basin of the Paraguay River in western Brazil3
A new species of whiptail catfish Rineloricaria (Siluriformes: Loricariidae) from Macaé and São João river basins, southeastern Brazil3
Trophic ecology of the demersal predator Brazilian flathead Percophis brasiliensis (Percophidae) in a coastal upwelling ecosystem, SW Atlantic3
Hidden diversity in the Paraná River basin: a new species of Phenacorhamdia (Siluriformes: Heptapteridae) from the Bermejo River, Argentina3
Description and phylogenetic position of a new species of Rhyacoglanis (Siluriformes: Pseudopimelodidae) from the Jamanxim River basin3
DNA barcoding highlights taxonomic uncertainties and cryptic lineages of São Francisco River basin fishes3
A new species of Ancistrus (Siluriformes: Loricariidae), with a redescription of Ancistrus brevipinnis and further evidence of hidden diversity in the laguna dos Patos system, Brazil3
Morphological study of the digestive tract of the cardinal tetra, Paracheirodon axelrodi (Characiformes: Characidae)3
Dietary shift of a pimelodid catfish in response to the flood pulse in the Xingu River3
Morphometric and molecular differentiation of Pimelodus grosskopfii and Pimelodus yuma (Siluriformes: Pimelodidae)2
Reproductive biology of the spotfin hatchetfish Thoracocharax stellatus (Characiformes: Gasteropelecidae) in the Western Amazon2
Chromosome spreading of the 5S rDNA clusters in the karyotype of Gymnotus inaequilabiatus (Gymnotiformes: Gymnotidae): insights into the role of the Rex-1 and Rex-3 retrotransposable elements of this 2
Fish assemblage structure related to habitat heterogeneity in rocky reefs in the Mexican Pacific coast2
Sex differences in landmark-based spatial learning in the sailfin tetra Crenuchus spilurus (Characiformes: Crenuchidae)2
Applying multi-mesh gillnet to monitor fish communities in neotropical rivers2
Description of a new species of glass knifefish genus Eigenmannia (Gymnotiformes: Sternopygidae) from the rio Negro basin, Brazil2
Diversity of potamodromous fishes in the Tocantins-Araguaia basin2
Functional diversity of fish communities in the Amacuzac River, Morelos, Mexico2
A new species of Profundulus (Cyprinodontiformes: Profundulidae) from southeastern Mexico2
A new striped species of Brachychalcinus (Ostariophysi: Characiformes) from Amapá and Pará states, northern Brazil2
Filling in a biogeographic gap: the first Trichomycteridae from the Parnaíba River basin (Siluriformes: Trichomycteridae)2
A new species of armored catfish of the genus Scobinancistrus (Loricariidae: Hypostominae) from the Xingu River basin, Brazil2
A new species of Aequidens (Cichliformes: Cichlidae) from the rio Paraguai basin, Brazil2
New banded Leporinus (Characiformes: Anostomidae) from the Madeira River basin, Brazil, and redescription of L. bleheri, based on integrative taxonomy2
Cytogenetic investigation of the Ageneiosus ucayalensis group (Siluriformes: Auchenipteridae) reveals chromosomal uniformity2
Description of a new species of Cyphocharax from the rio Juma, rio Aripuanã basin, southern Amazon basin (Teleostei: Curimatidae)2
Road crossings disrupt feeding, reproduction, and body condition of a forest stream fish in the Amazon2
The impacts of wild boars (Sus scrofa) on fish community and on instream physical habitat of two small streams in a protected area in Brazil2
A new species of Bryconamericus (Characidae: Stevardiinae) with breeding tubercles from the upper rio Paraná basin2
Polymorphism of 5S and 18S ribosomal DNA in a conserved karyotype of the two Hypostomus strigaticeps (Siluriformes: Loricariidae) populations from the upper Paraná River basin2
A new sexually dichromatic miniature Characidium (Characiformes: Crenuchidae) from the rio Guaporé, rio Madeira basin, Brazil, with remarkable morphological novelties to the genus2
Changes or disappearance of the Atlantic goliath grouper Epinephelus itajara (Perciformes: Epinephelidae) spawning aggregation sites in southern Brazil2
Genetic connectivity in the spotted rose snapper Lutjanus guttatus (Lutjaniformes: Lutjanidae) between Mexico and Panama throughout the Tropical Eastern Pacific2
Taxonomy and morphology of three species of Psammobatis distributed in the Southwestern Atlantic Ocean (Rajiformes: Arhynchobatidae) with notes on intraspecific variation2
Three decades of Chondrichthyan research in Brazil assessed from conferences’ abstracts: patterns, gaps, and expectations2
Diversity and abundance patterns of fish fauna in cascade reservoirs in the Brazilian semiarid tropical region2
Morphological and histometric features of the caudal kidney in piranha Pygocentrus nattereri (Characiformes: Serrasalmidae)2
Diet composition of the vulnerable fish species Megalops atlanticus (Elopiformes: Megalopidae) in a heavily urbanized estuary in Brazil: DNA-based identification of preys2
Genetic variability and population structure of Osteoglossum bicirrhosum (Osteoglossiformes: Osteoglossidae) in the Amazon basin2
Functional diversity: a review on freshwater fish research2
New species of Rhyacoglanis (Siluriformes: Pseudopimelodidae) from the upper rio Tocantins basin2
Darwinian shortfall and macroecological patterns in genetic data of Tocantins-Araguaia basin fishes2
Water-level fluctuations lead to changes in the diet of an omnivorous fish in a floodplain2
A new striped Osteogaster (Siluriformes: Callichthyidae) from the Madeira and Tapajós river basins, Brazil, with a new generic diagnosis and an identification key to the species of Osteogaster2
Population structure of the seahorse Hippocampus reidi (Syngnathiformes: Syngnathidae) in a Brazilian semi-arid estuary1
Population dynamics of two Andean Trichomycterus (Siluriformes: Trichomycteridae) species from Bolivia1
Integrative diagnosis and review of the conservation status of a Near Threatened species of the “Psalidodon scabripinnis complex”1
Variation in basal production sources supporting fish trophic guilds in the channel and floodplain ponds of the Rupununi River, Guyana, during dry season isolation1
A new species of Pimelodella (Siluriformes: Heptapteridae) from the Paraguai basin, Brazil, with a discussion regarding its distribution1
New species of Pseudacanthicus (Siluriformes: Loricariidae) from the rio Xingu, Amazon, Brazil1
Seeking for gaps in taxonomic descriptions of endemic fishes: a pathway to challenge the Linnean shortfall in a Neotropical basin1
Effects of pollution and watercourse type on trophic structure: the silverside Basilichthys microlepidotus and its food resources in the Maipo River basin as a model1
New tribe-level classification of Hypostominae (Loricariidae) based on optimization of morphological states on DNA-based relationships, with descriptions of three new tribes and two new genera1
A new species of Moenkhausia (Characiformes: Acestrorhamphidae) from the Amazon basin at Serra do Cachimbo, Pará, Brazil1
A new species of cloud fish of the genus Hypsolebias from Northeast Brazil (Cyprinodontiformes: Rivulidae)1
Development of the caudal fin and supporting skeleton in Lophiosilurus alexandri (Siluriformes: Pseudopimelodidae) and insights into its evolution in the family1
Building a baseline: a survey of the composition and distribution of the ichthyofauna of Guanabara Bay, a deeply impacted estuary1
Taxonomy of Triportheus (Ostariophysi: Triportheidae) from the Paraná-Paraguai basin, South America1
Daily rhythm of locomotor and reproductive activity in the annual fish Garcialebias reicherti (Cyprinodontiformes: Rivulidae)1
Complete mitochondrial genome of four Scleromystax barbatus (Siluriformes: Callichthyidae) populations1
Environmental predictors of the life history of the flag tetra Hyphessobrycon heterorhabdus (Characiformes: Characidae) in streams of the Eastern Amazon1
Invasive poeciliids dominate fish community in a highly altered river: insights from a diversity study of riverbank fishes in Mexico1
The habitat use of longsnout seahorse Hippocampus reidi in a subtropical Brazilian estuary1
New reddish species of Moenkhausia Eigenmann (Characiformes: Characidae) from the upper rio Xingu basin, Brazil1
A new species of Tridensimilis (Siluriformes: Trichomycteridae) from Tapajós basin: the largest translucent catfish species of Tridentinae1
Redescription of ‘Chasmocranus’ brachynema (Heptapteridae: Heptapterini)1
A new species of Loricaria (Loricariidae: Loricariinae) from the upper Amazon River basin, Colombia1
A new species of Mesonauta (Cichliformes: Cichlinae) from the Amapá Grande River basin, Northern Brazil1
A new species of Rineloricaria (Siluriformes: Loricariidae) from coastal drainages of Rio de Janeiro, southeastern Brazil1
Impacts of roads on the body condition of Amazonian stream fish1
Reproductive biology of Copella arnoldi (Characiformes: Lebiasinidae), a terrestrial-spawning fish from the Amazon1
Description of two threatened and polymorphic seasonal killifish species of the genus Hypsolebias (Cyprinodontiformes: Rivulidae) from the Piranhas-Açu River basin, in the Brazilian semiarid1
Copy number variations in response to chronic pollution: Basilichthys microlepidotus in central Chile1
Two new species of the ornamental loricariid genus Baryancistrus (Siluriformes: Hypostominae) from rio Trombetas basin, Pará, Brazil1
Cyto and genotoxicity induced by exposure to textile production effluents on Astyanax lacustris (Pisces: Characidae) can be reduced after treatment through a vertical flow constructed wetland system1
Revisiting Hypostomus khimaera (Siluriformes: Loricariidae): the identity of a morphologically variable species1
Integrative taxonomy reveals a remarkably colored species of Characidium (Characiformes: Crenuchidae) from the upper rio Paraná basin, Brazil1
Environmental factors drive trophic dynamics but not niche overlap of sympatric Lebiasinidae fishes in Amazonian streams1
Ovarian development and reproductive biology of Hoplias argentinensis (Characiformes: Erythrinidae), a top predator of the Pampa plain lakes, Argentina1
Diving into temporary pools: a global perspective on freshwater fish research1
A relict from the water: a new species from the río Magdalena basin (Colombia) of the mostly cis-Andean diversified genus Knodus (Characiformes: Stevardiidae)1
Highway impact on fish assemblages in Atlantic Forest stream1
Allozyme and cytogenetic analysis in two species of Hypostomus (Siluriformes: Loricariidae) from the Paraguai River basin, Brazil: occurrence of B microchromosome and intrapopulation heterochromatic p1
Linalool chemotype essential oil from Lippia alba in the anesthesia of fat snook (Centropomus parallelus): ventilatory rate, biochemical, antioxidant, and oxidative status parameters1
Early ontogeny of tetra Markiana nigripinnis (Characiformes: Characidae)1
Where are we going to live? Population genomics emits warning signals about endangered Amazonian rheophilic loricariids under habitat loss1
Brain morphology of native and invasive Cichla piquiti, the blue peacock bass (Cichliformes: Cichlidae), with ecomorphological insights1
Two new species of Atlantirivulus (Cyprinodontiformes: Rivulidae) from Atlantic Forest biome, São Paulo State, Brazil1
Diel feeding activity of Abudefduf saxatilis (Perciformes: Pomacentridae) on southwestern Atlantic reefs1
Climate change affects the potential distribution of a Neotropical freshwater migratory fish1
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