Results 21 to 30 of about 2,068 (196)
From fresh water to the slope: fish community ecology in the Río de la Plata and the sea beyond [PDF]
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
Structural analysis of the Pimelodus maculatus (Lacépède, 1803) embryogenesis (Siluriformes: Pimelodidae) [PDF]
The fish embryonic development comprises the events between the egg fertilization up to larvae hatching, being useful for the identification of viable eggs in productivity and survival studies as well as in raising experiments of several species.
Buzollo, Hellen +5 more
openaire +5 more sources
Abstract There are 104 hydroelectric facilities proposed to be installed in the watersheds that feed the Pantanal, a vast floodplain wetland located mostly in Brazil. The Pantanal is host to 23 long‐distance migratory fish species that ascend upland tributaries to spawn.
Marcel Medinas de Campos +5 more
wiley +1 more source
Uma nova espécie de nematódeo, Cucullanus patoi sp. n. é descrita no intestino do pintado (Pimelodus maculatus) do Lago do Guaíba, RS.
Elinor Fortes +2 more
doaj +1 more source
A new species of Pimelodus La Cépède, 1803 (Siluriformes: Pimelodidae) from rio Ribeira de Iguape basin, Brazil [PDF]
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
LUCENA, Carlos Alberto S. de +2 more
core +3 more sources
The aim of this study was to evaluate the physiological, zootechnical, and environmental benefits of the use of growth‐promoting virginiamycin in the pirarucu diet. The research was conducted at the Carlos Eduardo Matiazze Fish Center, Federal University of Rondônia.
Jucilene Cavali +9 more
wiley +1 more source
Fatores abióticos podem determinar o sucesso na larvicultura de algumas espécies de peixes. A cor do tanque e salinidade da água de criação podem promover alterações no comportamento e na fisiologia das pós-larvas de peixes.
Marcos Weingartner, Evoy Zaniboni Filho
doaj +1 more source
In the freshwater ecosystems of Brazil can be found high biodiversity of fish, about 5160 species. However, the Jacaré-Pepira River, located in the state of São Paulo, Brazil, presents a diversity of fish still to be explored in ichthyological studies ...
DÉBORA C. NEGRELLI +3 more
doaj +1 more source
Analysis of genetic variability in three species of Pimelodidae (Ostariophysi - Siluriformes)
Genetic variability of three Pimelodidae species, Pimelodus maculatus, Iheringichthys labrosus, and Pinirampus pirinampu, collected at one site in the Tibagi River, was comparatively analyzed using protein data for six systems which code 15 loci in liver,
Fernanda S. de Almeida, Leda M.K. Sodré
doaj +1 more source
A new helminth parasite of fish: Spirocamallanus freitasi sp. n. (Nematoda - Camallanidae)
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

