Results 61 to 70 of about 8,650 (200)

Importance and spatial patterns of invisible fisheries in Amazonian clear‐water rivers as revealed by fisher knowledge and collaboration

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
The graphical abstract highlights the research collaboration with fishers through interviews to record fishers' knowledge and participatory monitoring, to provide data on small‐scale fisheries in three clear water rivers (Trombetas, Tapajos and Tocantins).
Renato A. M. Silvano   +10 more
wiley   +1 more source

Evolucion morfologica del aparato digestivo de postlarvas y prejuveniles de Prochilodus lineatus (Val., 1847) (Pisces, Curimatidae) y su relacion con la dieta [PDF]

open access: yes, 1992
Le "sabalo" (#Prochilodus lineatus$) est une espèce les plus importantes de poissons du Parana. Le régime alimentaire est détritivore chez l'adulte. Cet article présente l'analyse du régime alimentaire des post-larves et préjuvéniles de #Prochilodus ...
Rossi, L.M.
core  

Tails of Biodiversity: Vertebrate Community Assessment in a Neotropical River Basin via eDNA Metabarcoding

open access: yesEnvironmental DNA, Volume 8, Issue 1, January–February 2026.
This study used environmental DNA (eDNA) metabarcoding to assess vertebrate biodiversity in headwater streams of the Rio Santo Antônio basin, southeastern Brazil, a tributary of the Rio Doce. A total of 119 vertebrate OTUs were identified, with oxidation–reduction potential emerging as the strongest environmental predictor of species richness.
Larissa Moreira‐Silva   +8 more
wiley   +1 more source

Statistical distribution models for migratory fish in Jacuí basin, South Brazil

open access: yesNeotropical Ichthyology
The aim of the present study was to identify the distribution patterns of migratory fishes in the Jacuí river basin (Rio Grande do Sul, South Brazil), proposing a statistical model of presumed distribution based on geomorphologic environmental data ...
Thaís P. Alves, Nelson F. Fontoura
doaj   +1 more source

Scale of development of Prochilodus lineatus (Val.) (Pisces, Curimatidade) juveniles from the Parana river [PDF]

open access: yes, 1993
La longueur totale, la formation et le rayon des écailles ont été examinés. Les écailles commencent à se former pour une longeur totale de 13 mm, et sont formées pour une longueur du poisson de 17 mm.
Campana, M., Cordiviola de Yuan, E.
core  

Protective Role of Egg Yolks From Different Avian Species on the Post‐Thaw Quality and Fertility of Cryopreserved Nile tilapia (Oreochromis niloticus) Sperm

open access: yesAquaculture Research, Volume 2026, Issue 1, 2026.
Egg yolks derived from various avian species have been widely applied as cryoprotective additives in mammalian sperm preservation; however, their efficacy in fish sperm cryopreservation remains poorly understood. Therefore, this study evaluated the cryoprotective effects of quail (Coturnix coturnix), chicken (Gallus gallus domesticus), and turkey ...
Yusuf Bozkurt   +2 more
wiley   +1 more source

Reproductive characterization of the Prochilodus Reticulatus species as a productive potential for the Catatumbo-Norte de Santander area

open access: yesRevista Ingenio, 2017
The reproductive evaluation and the biological and morphometric characterization of the Prochilodus reticulatus species, endemic to the Catatumbo River as a priority in the research and extension programs of the Francisco de Paula Santander Ocaña ...
Carmen Liceth García Quintero
doaj   +1 more source

Anthropogenic Factors Drive the Depletion of Fish Functional Β Diversity Within and Outside Two National Reserves in the Peruvian Amazon

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 35, Issue 12, December 2025.
ABSTRACT Understanding the impact of human activities on fish communities is critical for the effective conservation of Amazonian ecosystems. In this study, we sampled environmental DNA (eDNA) from 17 sites (lakes and rivers) in two Peruvian national reserves, Pacaya‐Samiria and Allpahuayo‐Mishana, using a metabarcoding approach with four genetic ...
B. Prat   +6 more
wiley   +1 more source

Estudios ictiologicos en la laguna La Cuarentena (Isla Carabajal), rio Parana, Argentina : edad y crecimiento del "sabalo" (Prochilodus lineatus (Val.), periodo 1984-1985 (Pisces, Curimatidae) [PDF]

open access: yes, 1991
L'objectif est de connaître l'âge et la croissance du #Prochilodus lineatus$ dans la lagune La Cuarentena (31°45'15"S - 60°37'30"W) et d'établir des comparaisons avec d'autres milieux lenitiques et lotiques du Parana moyen, les échantillons ont été ...
Carozza, C., Cordiviola de Yuan, E.
core  

Desenvolvimento Ontogenético Inicial de Prochilodus brevis (Steindachner, 1875) (Characiformes) [PDF]

open access: yesBiota Amazônia, 2016
The study analyzed the stages of the embryonic development of the curimata Prochilodus brevis , endemic fish of the northeast Brazilian, belonging the family Prochilodontidae (Characiformes). The embryos were obtained of the Estacao de Piscicultura Estevao de Oliveira (DNOCS – Caico, RN, Brazil).
D.E.O. Alves   +5 more
openaire   +1 more source

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