Results 51 to 60 of about 311 (149)
Ichthyofauna of the Quarai-Chico creek, Uruguai river middle basin, Espinilho State Park, Rio Grande do Sul, Brazil [PDF]
With the aim of identifying the composition of the ichthyofauna from Quarai-Chico creek (a tributary of the middle Uruguai river located in the municipality of Barra do Quarai), seasonal samplings were taken over the period of one year, from April 1997 ...
Thiago Bortoluzzi Pinto +7 more
doaj
Biometric relations of freshwater fishes of the Suaza River (Huila Department, Colombia) [PDF]
The knowledge of freshwater fishes in remote Andean mountains is scarce and restricted to changes of occurrence distribution along a specific gradient.
I. Tobes +3 more
doaj +3 more sources
Length‐Weight Relationships of Sixteen Fish Species From the Upper Tietê Basin, Southeaster Brazil
This study investigated the length‐weight relationship (LWR) of 16 fish species from the Upper Tietê Basin under the influence of the Atlantic Forest biome, aiming to provide updated morphometric data and contribute to the knowledge of Neotropical ichthyofauna. 2811 specimens were collected and distributed across five orders and 10 families.
Luís Gustavo Nogueira de Carvalho +7 more
wiley +1 more source
Trophic ecomorphology of Siluriformes (Pisces, Osteichthyes) from a tropical stream
The present study analysed the relationship between morphology and trophic structure of Siluriformes (Pisces, Osteichthyes) from the Caracu Stream (22º 45' S and 53º 15' W), a tributary of the Paraná River (Brazil).
JPA Pagotto +3 more
doaj +1 more source
Assessing fish diversity in abandoned mining ponds in Madre de Dios, Peru, using environmental DNA
We surveyed four lentic systems in Madre de Dios, Peru: two abandoned mining ponds created by ASGM and two unmined oxbow lakes as a reference to assess fish recolonization. We compared two alternative eDNA processing methods and contrasted our results with historic data from traditional biodiversity monitoring. Our results indicate that eDNA could be a
Camila Timana‐Mendoza +4 more
wiley +1 more source
We compared the effectiveness of the ovarian sperm injection method with that of the traditional one over the artificial propagation of jundia. Three experimental groups were set up containing seven females each. Females in Group 1 received common carp pituitary extract (CPE) homogenized in saline to induce ovulation and the stripped eggs were ...
István Ittzés +5 more
openaire +2 more sources
Contribución a los estudios de la fauna piscícola del Río Monday
el presente estudio expone los resultados de una campaña intensiva de pesca de cuatro días en el Rio Monday. Se colectaron ejemplares de Cichlidae, Characidae, Heptapteridae, Erythrinidae citados en orden decreciente de sus capturas. Los ejemplares de la
F. Lozano +3 more
doaj
Actualización de la distribución de Rhamdella aymarae (Siluriformes: Heptapteridae)
Fil: Bogan, Sergio. Fundación de Historia Natural Félix de Azara; Argentina.
Briñoccoli, Yanina Florencia +3 more
openaire +4 more sources
This study evaluated extracts of Condalia buxifolia as anesthetics for the silver catfish Rhamdia quelen. The effectiveness of eugenol and of the methanolic extract (ME) of C. buxifolia during the transport of this species was also assessed.
Alexssandro Geferson Becker +7 more
doaj +1 more source
O gênero Helicops inclui, atualmente, 15 espécies, das quais onze ocorrem na floresta amazônica. Helicops hagmanni se alimenta de peixes e apresenta hábitos noturnos, mas dados detalhados sobre seu comportamento alimentar e ecologia são escassos.
Marcelo José Sturaro +1 more
doaj +1 more source

