OOIR: Observatory of International Research

Papers

(The TQCC of Neotropical Ichthyology is 3. 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 2020-11-01 to 2024-11-01.)

Article	Citations
Negative impacts of mining on Neotropical freshwater fishes	20
Long-term trends of fishery landings and target fish populations in the lower La Plata basin	18
Human impacts and the loss of Neotropical freshwater fish diversity	17
Two new species of freshwater stingrays of the genus Paratrygon (Chondrichthyes: Potamotrygonidae) from the Orinoco basin, with comments on the taxonomy of Paratrygon aiereba	16
Fish die-off in river and reservoir: A review on anoxia and gas supersaturation	14
Genetic diversity in two threatened species of guitarfish (Elasmobranchii: Rhinobatidae) from the Brazilian and Argentinian coasts: an alert for conservation	13
Assessing extinction risk from geographic distribution data in Neotropical freshwater fishes	13
Land-use changes affect the functional structure of stream fish assemblages in the Brazilian Savanna	13
Urban market amplifies strong species selectivity in Amazonian artisanal fisheries	12
Integrative taxonomy reveals a new species of Neotropical headstanding fish in genus Schizodon (Characiformes: Anostomidae)	12
Biotic differentiation in headwater creeks after the massive introduction of non-native freshwater aquarium fish in the Paraíba do Sul River basin, Brazil	10
Population genetics of three threatened catfish species in heterogeneous environments of the Cauca River, Colombia	9
Deep-sea dragonfishes (Teleostei: Stomiiformes) collected from off northeastern Brazil, with a review of the species reported from the Brazilian Exclusive Economic Zone	8
Two new species of Knodus (Characidae: Stevardiinae) from the upper rio Tocantins basin, with evidence of ontogenetic meristic changes	8
Drastic reduction of the functional diversity of native ichthyofauna in a Neotropical lake following invasion by piscivorous fishes	7
Integrative taxonomy reveals disjunct distribution and first record of Hoplias misionera (Characiformes: Erythrinidae) in the Amazon River basin: morphological, DNA barcoding and cytogenetic considera	7
The cost of gold: Mercury contamination of fishes in a Neotropical river food web	7
Contributions to the taxonomy of Trachelyopterus (Siluriformes): comparative cytogenetic analysis in three species of Auchenipteridae	7
Reef fishes biodiversity and conservation at the largest Brazilian coastal Marine Protected Area (MPA Costa dos Corais)	7
Impacts on fisheries assessed by local ecological knowledge in a reservoir cascade in the lower São Francisco River, northeastern Brazil	7
Deep-sea anglerfishes (Lophiiformes: Ceratioidei) from off northeastern Brazil, with remarks on the ceratioids reported from the Brazilian Exclusive Economic Zone	7
Reproductive biology aspects of Alopias pelagicus and A. superciliosus (Lamniformes: Alopiidae) in the Ecuadorian Pacific	7
Fishes of the upper rio Paraná basin: diversity, biogeography and conservation	7
Effects of urbanization and environmental heterogeneity on fish assemblages in small streams	7
Fish community turnover in a dammed Andean River over time	7

A new Hyphessobrycon (Characiformes: Characidae) of the Hyphessobrycon heterorhabdus species-group from the lower Amazon basin, Brazil	6
Protection of spawning habitat for potamodromous fish, an urgent need for the hydropower planning in the Andes	6
Early development of two commercially valuable fish from the lower Amazon River, Brazil (Characiformes: Serrasalmidae)	6
Hypostomus hermanni redescription and a new species of Hypostomus (Siluriformes: Loricariidae) from Upper Paraná River basin, Brazil	6
A new species of Characidium (Characiformes: Crenuchidae) from the rio Doce basin, Brazil	6
A new species of Knodus (Characiformes: Characidae), with deep genetic divergence, from the Mearim and Munim river basins, Northeastern Brazil, and evidence for hidden diversity in adjacent river basi	6
Towards a complete classification of the Neotropical thorny catfishes (Siluriformes: Doradidae)	6
A new miniature species of Priocharax (Characiformes: Characidae) from the upper rio Ipixuna, Purus drainage, Brazil	5
A new species of Moenkhausia (Characiformes: Characidae) from the rio Madeira basin, Brazil, with comments on the evolution and development of the trunk lateral line system in characids	5
Patterns of diversification and phylogenetic structure in the dorsolateral head musculature of Neotropical electric eels (Ostariophysi: Gymnotiformes), with a myological synonymy	5
The effectiveness of protected areas in the Paraná-Paraguay basin in preserving multiple facets of freshwater fish diversity under climate change	5
Changes in ecosystem functions generated by fish populations after the introduction of a non-native predator (Cichla kelberi) (Perciformes: Cichlidae)	5
The main channel and river confluences as spawning sites for migratory fishes in the middle Uruguay River	5
Uncertainties and risks in delimiting species of Cambeva (Siluriformes: Trichomycteridae) with single-locus methods and geographically restricted data	5
Under the surface: what we know about the threats to subterranean fishes in Brazil	5
A cascade of dams affects fish spatial distributions and functional groups of local assemblages in a subtropical river	5
Growth stanza in fish life history using otoliths shape: the protandric Centropomus case (Carangaria: Centropomidae)	5
Reproductive biology of seven fish species of commercial interest at the Ramsar site in the Baixada Maranhense, Legal Amazon, Brazil	5
Anthropogenic river fragmentation reduces long-term viability of the migratory fish Salminus brasiliensis (Characiformes: Bryconidae) populations	5
A new species of Satanoperca (Teleostei: Cichlidae) from the Rio Tocantins basin, Brazil	5
Flood pulse influence on the feeding ecology of two Amazonian auchenipterid catfishes	5
Age validation and contrasted growth performances of Pseudoplatystoma punctifer (Siluriformes: Pimelodidae) in two river systems of the Western Amazon	5
Environmental influences on the ichthyoplankton in hypersaline estuaries located in a Semiarid Northeastern Brazilian coast	4
The most important fishery resource in the Amazon, the migratory catfish Brachyplatystoma vaillantii (Siluriformes: Pimelodidae), is composed by an unique and genetically diverse population in the Sol	4
Description of three new species of Eigenmannia (Gymnotiformes: Sternopygidae) from the rio Mearim and rio Parnaíba basins, Northeastern Brazil	4
Investigations into the ancestry of the Grape-eye Seabass (Hemilutjanus macrophthalmos) reveal novel limits and relationships for the Acropomatiformes (Teleostei: Percomorpha)	4
Phylogenetic relationships and description of two new species of Diapoma (Characidae: Stevardiinae) from the La Plata River basin	4
A new genus of armored catfish (Siluriformes: Loricariidae) from the Greater Amazon, with a review of the species and description of five new species	4
Checklist of the species of the Order Characiformes (Teleostei: Ostariophysi)	4
Taxonomic and phylogenetic beta diversity in headwater stream fish communities of the Paraná and Paraguai River basins	4
High rDNA polymorphisms in Astyanax lacustris (Characiformes: Characidae): new insights about the cryptic diversity in A. bimaculatus species complex with emphasis on the Paraná River basin	4
Fish functional trophic groups in headwater karst streams from the Upper Paraguay River basin	4
Reproductive cycle of native viviparous fish species (Actinopterygii: Cyprinodontiformes: Goodeidae) in a subtropical Mexican lake	4
Development of microsatellite loci and population genetics of the catfish Pimelodus yuma (Siluriformes: Pimelodidae)	4
Local effects of deforestation on stream fish assemblages in the amazon-savannah transitional area	4
A new species of Ancistrus (Siluriformes: Loricariidae) from Tapajós and Xingu basins, Brazil	4
Coexistence of endemic peacock basses (Cichla) in a Neotropical reservoir (Cichlidae: Cichliformes)	4
Functional responses of stream fish communities to rural and urban land uses	4
Damming in the Madeira River modifies the food spectrum of piscivorous and affects their resource partitioning	3
Tracking the evolutionary pathways among Brazilian Lebiasina species (Teleostei: Lebiasinidae): a chromosomal and genomic comparative investigation	3
Comparative characterization of digestive proteases in redhead cichlid (Vieja melanurus) and twoband cichlid (Vieja bifasciata) (Percoidei: Cichlidae)	3
Structure and composition of ichthyofauna associated with cage fish farming and compared to a control area after severe drought in a Neotropical reservoir	3
Taxonomic loss and functional reduction over time in the ichthyofauna of the Taquaruçu Reservoir, lower Paranapanema River, Southern Brazil	3
Life history trait variations and population dynamics of Calophysus macropterus (Siluriformes: Pimelodidae) in two river systems of the Colombian and Peruvian Amazon	3
Diversity of Loricariidae (Actinopterygii: Siluriformes) assemblages in two Conservation Areas of the Middle Xingu River, Brazilian Amazon, and their suitability for sustainable ornamental fisheries	3
Environmental influence on the reproductive strategy of Helogenes marmoratus (Siluriformes: Cetopsidae) in the Amazonian streams	3
Taxonomy of the armored catfish genus Aspidoras (Siluriformes: Callichthyidae) revisited, with the description of a new species	3
Mangrove-associated fish assemblages off the southern Panama Bight region (tropical eastern Pacific)	3
Rediscovering species: redescription of Bryconops gracilis (Characiformes: Iguanodectidae), an often-misidentified species	3
Molecular species delimitation of the genera Anodus, Argonectes, Bivibranchia and Micromischodus (Ostariophysi: Characiformes)	3

Age and growth of Pseudoplatystoma corruscans (Siluriformes: Pimelodidae) at the confluence of the Paraná and Paraguay rivers	3
Metapopulation dynamics of the migratory fish Prochilodus lineatus (Characiformes: Prochilodontidae) in a lotic remnant of the Grande River, Southeastern Brazil	3
Population structuration and chromosomal features homogeneity in Parodon nasus (Characiformes: Parodontidae): A comparison between Lower and Upper Paraná River representatives	3
Evidence on the paleodrainage connectivity during Pleistocene: Phylogeography of a hypoptopomatine endemic to southeastern Brazilian coastal drainages	3
Molecular cytogenetics insights in two pelagic big-game fishes in the Atlantic, the tarpon, Megalops atlanticus (Elopiformes: Megalopidae), and the sailfish, Istiophorus platypterus (Istiophoriformes:	3
Ichthyofauna on the move: fish colonization and spread through the São Francisco Interbasin Water Transfer Project	3