Results 71 to 80 of about 6,846 (198)
Revista Brasileira de Zootecnia, 2012 The objective of this study was to evaluate the use of Bacillus cereus var. toyoi and Saccharomyces boulardii as probiotics to improve Rhamdia quelen culture. Six hundred larvaes (0.16±0.07 g) were divided in three replicate tanks (25-L recirculation, 20
Diego Moreira de Souza +5 more
doaj +1 more source
Desempenho produtivo de larvas de Jundiá (Rhamdia quelen) em sistema de cultivo com bioflocos [PDF]
, 2013 Este estudo teve por objetivo avaliar o desempenho de larvas de jundiá (Rhamdia quelen) em sistema de bioflocos. Foram utilizados cinco tratamentos, com larvas estocadas na densidade de 25 peixes L-1 durante 21 dias.
Poli, Moisés Angel
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Environmental DNA, Volume 7, Issue 4, July–August 2025.Using eDNA metabarcoding, we assessed fish diversity in isolated sinkholes in southern Brazil, uncovering signs of local extinction and species persistence. This approach offers a non‐invasive tool for biodiversity assessment and informs conservation efforts in unique karst environments.
Luz E. De la Ossa‐Guerra +5 more
wiley +1 more source
Acta Scientiarum: Biological Sciences, 2009 Aphanoblastella juizforense sp. nov. is described in the gills of the heptapterid fish Rhamdia quelen (Quoy et Gaimard, 1824) from the Paraibuna River, Juiz de Fora, Minasn Gerais State, Brazil.
Adriano Reder de Carvalho +2 more
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Antagonistic Rewiring and Turnover Patterns in a Neotropical Fish–Parasite Metanetwork
Freshwater Biology, Volume 70, Issue 7, July 2025.ABSTRACT Integrating beta‐diversity and network analyses is an emerging approach for understanding the spatial structure of species communities. For instance, although the presence of hosts affects parasite species distribution, environmental factors can either restrict or promote the occurrence of certain parasite species by changing the abundance of ...
Ana Paula Lula Costa +2 more
wiley +1 more source
Neotropical Ichthyology, 2018 This study investigated the anesthetic effect of the essential oils (EOs) from the peel of Citrus x aurantium (EOCA) and Citrus x latifolia (EOCL) on silver catfish Rhamdia quelen.
Jane Mello Lopes +7 more
doaj +1 more source
Piscicultura de água doce : reprodução e alevinagem [PDF]
, 2003 Trabalho de Conclusão de Curso - Universidade Federal de Santa Catarina. Curso de Engenharia de Aquicultura.
Corrêa, Rogério Nappi
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The piranha genome provides molecular insight associated to its unique feeding behavior [PDF]
, 2019 The piranha enjoys notoriety due to its infamous predatory behavior but much is still not understood about its evolutionary origins and the underlying molecular mechanisms for its unusual feeding biology.
Adolfi, Mateus +9 more
core +2 more sources
Larger Fish Upstream: Testing the Drivers of Fish Longitudinal Size Distribution in a Stream
Freshwater Biology, Volume 70, Issue 7, July 2025.ABSTRACT The “larger fish upstream pattern” (LFUP), where fish size increases from river mouths toward headwaters, is widely documented, but the drivers remain unclear. Here, we tested whether LFUP is related to species reproductive strategies or environmental factors (differential growth, predation, competition). Using historical data (1994–1998) from
Pedro Wolf +2 more
wiley +1 more source
Indução de tripoidia em Rhamdia quelen (Pisces, Pimelodidae)
Boletim do Instituto de Pesca, 2018 A técnica de indução de triploidia em Rhamdia quelen foi padronizada mediante aplicação de choques térmicos quentes de diferentes durações e em diferentes momentos pós-fecundação.
Pedro Vozzi +2 more
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