A new species of Pimelodus La Cépède, 1803 (Siluriformes: Pimelodidae) from rio Ribeira de Iguape basin, Brazil [PDF]
Neotropical Ichthyology, 2011 Pimelodus multicratifer, a new species, is described from the rio Ribeira de Iguape basin. The new species differs from the other Pimelodus species by the following features: 26 to 30 gill rakers on the first branchial arch; a combination of three to six
Frank Raynner V Ribeiro +2 more
doaj +5 more sources
Morphometric and molecular differentiation of Pimelodus grosskopfii and Pimelodus yuma (Siluriformes: Pimelodidae) [PDF]
Neotropical Ichthyology, 2023 Pimelodus grosskopfii and Pimelodus yuma, two species endemic to the Magdalena-Cauca basin in Colombia, overlap in the ranges of some of their diagnostic characters, which hampers their correct morphological identification.
Cristhian Danilo Joya +2 more
exaly +3 more sources
Development of microsatellite loci and population genetics of the catfish Pimelodus yuma (Siluriformes: Pimelodidae) [PDF]
Neotropical Ichthyology, 2021 Pimelodus yuma (formerly Pimelodus blochii) is a freshwater fish, endemic to the Colombian Magdalena-Cauca and Caribbean basins that experiences habitat disturbances resulting from anthropogenic activities.
Cristhian Danilo Joya +2 more
exaly +3 more sources
Áreas de reproducción de peces migratorios en la cuenca alta del río Magdalena, Colombia
Biota Colombiana, 2014 During the 2011-2012 hydrological cycle, weekly samples were taken to evaluate the reproduction of migratory fishes in the area of influence of the El Quimbo hydroelectric project. This analysis considered the abundance and density of individuals in each
María Isabel Pareja-Carmona +5 more
doaj +9 more sources
Evidence for the true type-locality of Rhamdia quelen (Siluriformes: Heptapteridae), and the geographical origin and invalid neotype designation of four of its synonyms [PDF]
Neotropical Ichthyology, 2020 Historical information on the probable type-locality of Pimelodus quelen and of its four junior synonyms that share the same neotype, Pimelodus namdia, Pimelodus sebae, Heterobranchus sextentaculatus, and Silurus rivularis, is presented and discussed ...
Stefan Koerber, Roberto E. Reis
doaj +1 more source
Neotropical Ichthyology, 2018 Pimelodidae harbors several species and is widely distributed throughout the Neotropical region. Pimelodus is the genus with the largest number of species, however it is a polyphyletic group.
Simone C. Girardi +2 more
doaj +1 more source
Feeding spectra and activity of the freshwater crab Trichodactylus kensleyi (Decapoda: Brachyura: Trichodactylidae) at La Plata basin [PDF]
, 2014 Background: In inland water systems, it is important to characterize the trophic links in order to identify the ‘trophic species’ and, from the studies of functional diversity, understand the dynamics of matter and energy in these environments.
A Ruttner-Kolisko +70 more
core +1 more source
A new helminth parasite of fish: Spirocamallanus freitasi sp. n. (Nematoda - Camallanidae)
Memorias do Instituto Oswaldo Cruz, 1991 A new species of nematode is described, Spirocamallanus freitasi sp. n. The worms were collected from fishes (Bergiaria westermanni, Pimelodus maculatus and Pimelodus sp.) living in Três Marias Dam (São Francisco River) in the State of Minas Gerais ...
Narcisa Imaculada Brant Moreira +2 more
doaj +1 more source
From fresh water to the slope: fish community ecology in the Río de la Plata and the sea beyond [PDF]
, 2010 The spatial pattern of fish assemblages and its relationship with factors along an environment gradient, from fresh to marine water environment along the Río de la Plata estuary (36ºS, 56ºW) the shelf and part of the slope, was examined using data from ...
García, Mirta L. +2 more
core +5 more sources
Probabilistic meta-analysis of risk from the exposure to Hg in artisanal gold mining communities in Colombia [PDF]
, 2014 Colombia is one of the largest per capita mercury polluters in the world as a consequence of its artisanal gold mining activities. The severity of this problem in terms of potential health effects was evaluated by means of a probabilistic risk assessment
Clavijo, Diana +3 more
core +2 more sources