Results 81 to 90 of about 557 (150)

Ethnoichthyological contribution to the official fisheries document concerning fisheries closure of some commercial fish categories in the western Brazilian Amazon, Guaporé River, Rondônia, Brazil [PDF]

open access: yesBiotemas, 2008
There are conflicts among fishermen and local environmental protection agencies that regulate fishing in the area, concerning the official closure periods of the fisheries. The fishermen affirm that the dates established for protection of spawning do not
Suelen Taciane Brasil de Souza   +3 more
doaj  

Hybrid sorubim viscera protein concentrate in the diets for barred sorubiml

open access: yes, 2013
The current study evaluated the growth performance and the haematological profile of barred sorubim fed with levels of hybrid sorubim viscera protein concentrate (0.0; 5.0; 10.0 e 15.0%) in isoprotein and isoenergetic diets.
Hisano, Hamilton   +5 more
core  

Evaluation of laserpuncture on testicular maturation and semen quality of the catfish Sorubim cuspicaudus

open access: yesAquaculture Reports
Sorubim cuspicaudus is a native catfish species with potential for aquaculture diversification in Colombia. However, captive reproduction is constrained by asynchronous gonadal maturation and low male semen volume.
Carlos Tapia Pacheco   +2 more
doaj   +1 more source

¿Where do migratory fish spawn in a neotropical Andean basin regulated by dams? [PDF]

open access: yesPLoS One, 2023
Rivera-Coley K   +4 more
europepmc   +1 more source

Morphological and molecular characterization of nematodes in a freshwater fish community from La Mojana, Sucre, Colombia

open access: yesParasitology
Nematodes constitute one of the most diverse and ecologically significant parasite groups in fishes, yet their diversity and host associations remain poorly documented in tropical freshwater systems.
Katerin Fuentes-Lopez   +3 more
doaj   +1 more source

Morfología de Lapillus de siluriformes parano-platenses

open access: yesBiología Acuática, 2019
Los otolitos de los peces son complejos policristalinos, compuestos principalmente por carbonato de calcio. El lapillus suele ser el otolito más conspicuo de los peces siluriformes.
Daniela V. Fuchs, Alejandra V. Volpedo
doaj  

Experimental assessment of the effects of a Neotropical nocturnal piscivore on juvenile native and invasive fishes

open access: yesNeotropical Ichthyology
We experimentally examined the predator-prey relationships between juvenile spotted sorubim Pseudoplastystoma corruscans and young-of-the-year invasive and native fish species of the Paraná River basin, Brazil. Three invasive (peacock bass Cichla piquiti,
Alejandra F. G. N. Santos   +4 more
doaj   +1 more source

Evaluación de los niveles de selenio en peces de alto valor comercial en diversos ambientes acuáticos en el norte de Colombia

open access: yesRevista de Investigación Agraria y Ambiental
Contextualización: el selenio (Se) es uno de los metaloides esenciales para el correcto funcionamiento de los organismos, y se encuentra ampliamente distribuido en la naturaleza.
Camila Padilla Ramírez   +2 more
doaj   +1 more source

Sorubim lima

open access: yes, 2007
Sorubim lima: Paraná drainage: Argentina: BMNH 1935.9.9:11-12 (2:43-84 mm SL), Santa Fe, Arnold; BMNH 1908.12.5.12 (1:81 mm SL), La Plata, Arnold; CAS131577 (1 of 2:98 mm SL), Buenos Aires, San Pedro Río de la Plata, 220 km N of Buenos Aires, June 1934,
Michael W. Littmann
core   +1 more source

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