Results 61 to 70 of about 1,896 (178)
Detection of Unauthorized Tilapia Species Circulating in Cage Farms on Lake Volta
ABSTRACT The Akosombo strain of Nile tilapia is the only approved tilapia strain for culture in Ghana. In this study, exotic red tilapia suspected to be cultured in fish farms within the Lower Volta River Basin of the Lake Volta were collected for species identification based on their morphological features.
Samuel Duodu +5 more
wiley +1 more source
ABSTRACT In the wet Afrotropics, information on trophic diversity and resource use in freshwaters is extremely limited. Here we used stable isotope ratios (δ13C, δ15N) from food webs along the continuum of a coastal river in the Republic of the Congo to examine seasonal and spatial patterns of trophic diversity.
Gina Walsh +6 more
wiley +1 more source
The new cichlid species Gymnogeophagus tiraparae is described from the río Negro and río Tacuarí basins (Uruguay). The new species is distinguished from other Gymnogeophagus species by the unique presence of the following characters: adipose hump on head
Iván González-Bergonzoni +2 more
doaj +1 more source
Sensitivity of Cichlasoma facetum (Cichlidae, Pisces) to Metals
Although most of the existent information regarding the sensitivity of fish to pollutants has aimed to the study of Holartic species (Ramamoorthy and Baddaloo 1995), contributions on organisms from other types of ecological communities belonging to Neotropical environments have been recently undertaken considering native and introduced species ...
Bulus Rossini, Gustavo Daniel +1 more
openaire +3 more sources
Abstract Southern Africa is a region denoted by both high levels of fish diversity, some of it cryptic and unrecognised by current taxonomy, and severely threatened freshwater ecosystems. The Waterberg, a key aquatic ecoregion of the greater Limpopo River basin in South Africa, represents an area with high terrestrial conservation value but is lacking ...
Darragh J. Woodford +7 more
wiley +1 more source
Com o principal objetivo de fornecer ferramentas para auxiliar na implementação do manejo sustentável de peixes ornamentais na Reserva de Desenvolvimento Sustentável Amanã, Amazonas, foi realizado o estudo da biologia reprodutiva de Heros efasciatus ...
Jana Menegassi del Favero +2 more
doaj +1 more source
Global Patterns and Gaps in Research on Salinity Tolerance of Inland Fishes
ABSTRACT Freshwater salinization is an emerging threat impacting approximately one‐third of the world's freshwater bodies. However, the salinity tolerance of many inland fishes remains understudied, despite being a crucial factor in determining species distributions and fitness.
Carlos Cano‐Barbacil +4 more
wiley +1 more source
Crenicichla is the largest genus in the Cichlidae family in South America. The genus includes 100 valid species that are popularly known in Brazil as jacundás or joaninhas and are widely distributed in rivers east of the Andes.
Larissa Bettin Pires +3 more
doaj +1 more source
The study included the effect of the advancement of the saline front on the composition of the fish catchment of the East Hamar marsh for the period from January 2018 to December 2018.
Ghassan, A. Al-Najjar
doaj +1 more source
This study describes the hematological parameters in Iranocichla hormuzensis, an Iranian freshwater cichlid important as ornamental and food fish. Forty fish were captured with seine net at Mehran river Hormozgan province, Iran.
Ehsan Daneshvar +3 more
doaj

