Results 41 to 50 of about 6,914 (213)

DESENVOLVIMENTO EMBRIONÁRIO DO JUNDIÁ RHAMDIA VOULEZI

open access: yesRevista Acadêmica Ciência Animal, 2012
O presente estudo teve como objetivo avaliar o desenvolvimento embrionário de jundiás oriundos de reprodutores mantidos em tanques-rede. O experimento foi realizado no Centro de Difusão e Desenvolvimento Tecnológico do Rio Iguaçu, localizado no município de Boa Vista da Aparecida (PR) em fevereiro de 2012.
Vinicius Pimenta Sividanes   +6 more
openaire   +1 more source

Unraveling Temporal Fish Diversity in a Neotropical Hydropower Reservoir: Comparing eDNA Metabarcoding to Traditional Fishing Methods

open access: yesEnvironmental DNA, Volume 8, Issue 2, March/April 2026.
Comparing eDNA metabarcoding and gillnet surveys in a Neotropical reservoir, this study finds that eDNA detects greater species richness yet reveals distinct assemblage structures. The results underscore the value of integrating both methods to achieve comprehensive biodiversity monitoring in hydropower‐impacted ecosystems.
Izabela Santos Mendes   +6 more
wiley   +1 more source

Fishes of the Lagunas Encadenadas (Province of Buenos Aires, Argentina), a wetland of international importance [PDF]

open access: yes, 1995
The Lagunas Encadenadas form a large endorheic wetland. The system comprises a chain of five main lagoons (Alsina, Chochico, Del Monte, Del Venado, and Epecuen). During two recent collection trips, 13 species of fish were caught.
Lopez, Hugo L, Miquelarena, Amalia M
core  

Ictiofauna epígea e subterrânea na área cárstica da Serra do Ramalho, nordeste brasileiro, com listas de peixes troglóbios e troglófilos no Brasil [PDF]

open access: yes, 2008
After an ichthyofaunistic survey in several epigean (surface) water bodies of the Serra do Ramalho, southern Bahia, conducted in May 2007, 44 species were recorded; in addition, three non-troglomorphic (normally eyed and pigmented) and two troglomorphic ...
BICHUETTE, Maria Elina   +3 more
core   +1 more source

ASSOCIAÇÃO ENTRE A PRESENÇA DE UM FATOR DE 38 kDa NO PLASMA SEMINAL E A INIBIÇÃO DA MOTILIDADE ESPERMÁTICA NO JUNDIÁ Rhamdia quelen

open access: yesCiência Animal Brasileira, 2010
Fatores proteicos tem sido indentificados no plasma seminal de peixes e mamíferos e, em algumas situações, associados com indicadores de qualidade espermática.
Vinicius Farias Campos   +7 more
doaj   +1 more source

Piscicultura de água doce: reprodução de jundiá (Rhamdia quelen) [PDF]

open access: yes, 2007
TCC (graduação em Agronomia) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, 2007O estágio foi realizado no Laboratório de Biologia e Cultivo de Peixes de Água Doce (LAPAD), pertencente à Universidade Federal de Santa Catarina.
Vicente, Leirson
core  

Activity patterns of South American silver catfish (Rhamdia quelen) [PDF]

open access: yesBrazilian Journal of Biology, 2006
The South American silver catfish (Rhamdia quelen) is a widely distributed species in Central and South America in areas east of the Andes between Venezuela and the northern parts of Argentina. The bottom dwelling species occurs in lakes and reservoirs as well as in rivers. Between June 2000 and December 2001, sixteen silver catfish were tracked during
Schulz, U. H., Leuchtenberger, C.
openaire   +5 more sources

Estudo da salmonização do filé de jundiá (Rhamdia quelen), através da adição de corantes naturais à ração. [PDF]

open access: yes, 2007
TCC (graduação em Engenharia de Aquicultura) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, 2007O experimento realizado visa a salmonização do filé do jundiá (Rhamdia quelen), por meio da adição de diferentes tipos de corantes à ...
Argenta, Arthur
core  

Gross brain morphology of Rhamdia quelen (Quoy & Gaimard 1824) (Ostariophysi: Siluriformes: Heptapteridae)

open access: yesPapéis Avulsos de Zoologia, 2018
The brain gross morphology of Rhamdia quelen is described and compared with seven species of six genera of Heptapteridae. Interspecific variation in shape, size, and position of brain subdivisions was observed in all examined species.
Vitor Pimenta Abrahão   +2 more
doaj   +1 more source

Integrated cultivation of sea asparagus, celery, and Southern black drum in saline clear waters and biofloc‐based aquaponics

open access: yesAgronomy Journal, Volume 118, Issue 1, January/February 2026.
Abstract Aquaponics is an alternative agricultural practice that combines aquaculture with hydroponics. It increases productivity while treating macronutrient loads on effluents. Yet, little information is available on productivity of commercial aquaponic models using saline waters, especially with biofloc technology (BFT) systems, which are ...
Larissa M. K. Britz   +6 more
wiley   +1 more source

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