Results 11 to 20 of about 321 (98)

Chromosome differentiation patterns during cichlid fish evolution. [PDF]

open access: yesBMC Genet, 2010
Background Cichlid fishes have been the subject of increasing scientific interest because of their rapid adaptive radiation which has led to an extensive ecological diversity and their enormous importance to tropical and subtropical aquaculture.
Poletto AB   +9 more
europepmc   +6 more sources

A new species of Satanoperca (Teleostei: Cichlidae) from the Rio Tocantins basin, Brazil

open access: yesNeotropical Ichthyology, 2021
A new species of Satanoperca is described from the Rio Araguaia, Rio Tocantins basin, Brazil, and non-native records are available in the upper Rio Paraná basin. It differs from congeneric species by color pattern characters, such as head and flank marks.
Renata Rúbia Ota   +4 more
doaj   +1 more source

Fisheries in a border area of the Moxos Lowlands (Bolivia) after invasion of Arapaima gigas

open access: yesAquaculture, Fish and Fisheries, Volume 3, Issue 2, Page 196-210, April 2023., 2023
We characterized fisheries in the area of the port city of Riberalta (upper Madeira River basin) and evaluated the contribution of an invasive species (Arapaima gigas) to the landings. A. gigas represented 57.6% of the overall economic value of fish in the region.
Gabriela Rico Lopez   +4 more
wiley   +1 more source

DiceCT for fishes: recommendations for pairing iodine contrast agents with μCT to visualize soft tissues in fishes

open access: yesJournal of Fish Biology, Volume 102, Issue 4, Page 893-903, April 2023., 2023
Abstract Computed tomography (CT) scanning and other high‐throughput three‐dimensional (3D) visualization tools are transforming the ways we study morphology, ecology and evolutionary biology research beyond generating vast digital repositories of anatomical data.
Matthew A. Kolmann   +7 more
wiley   +1 more source

Parasites of native Cichlidae populations and invasive Oreochromis niloticus (Linnaeus, 1758) in tributary of Amazonas River (Brazil). [PDF]

open access: yes, 2019
This study provides the first investigation on acquisition of parasites in invasive O. niloticus by parasite species of native Cichlidae from the Igarapé Fortaleza basin, Northern Brazil. There were examined 576 specimens of 16 species of native cichlids
BITTENCOURT, L. S.   +4 more
core   +3 more sources

Carga parasitária x estresse oxidativo em Satanoperca jurupari (Heckel, 1840) na Amazônia Oriental

open access: yesRevista Ibero-Americana de Ciências Ambientais, 2021
Objetivou-se nesse trabalho verificar a carga parasitária da espécie Satanoperca jurupari (Heckel,1840) e sua relação com a resposta bioquímica por meio da determinação dos teores de tióis totais (GSH) e dos produtos finais da lipoperoxidação, aspectos até então não estudados para a espécie e região.
Roger Leomar da Silva Ferreira   +6 more
openaire   +2 more sources

Myxozoan Ceratomyxids Infecting the Gallbladder of Amazonian Ornamental Cichlid Fish: Description of Ellipsomyxa santarenensis n. sp. and Report of Ceratomyxa amazonensis in a New Host

open access: yesDiversity, 2023
Although most Myxozoa species of the genera Ceratomyxa and Ellipsomyxa have been described in marine hosts worldwide, an increasing diversity has been reported infecting South American freshwater fish, mainly in Amazonian waters.
Rayline T. A. Figueredo   +3 more
doaj   +1 more source

A study on monogenean parasites from the gills of some cichlids (Pisces: Cichlidae) from the Brazilian Amazon

open access: yesRevista Mexicana de Biodiversidad, 2016
The aim of this study was to investigate monogenean fauna in gills of Geophagus camopiensis, Pterophyllum scalare, Satanoperca jurupari, and Satanoperca acuticeps in a tributary from the Amazon River system in Brazil.
Aristides Ferreira-Sobrinho   +1 more
doaj   +1 more source

Especies de Monogenoidea de cíclidos con importancia comercial en la Amazonia peruana [PDF]

open access: yes, 2023
In the Peruvian Amazon, species of the Cichlidae constitute a valuable resource for fisheries and aquaculture activities. Due to the importance of cichlids in this region and the constant interest in conduct studies focused on the biodiversity of ...
Chucuya Garcia, Shachy Marcela   +10 more
core   +3 more sources

An integrated closed system for fish-plankton aquaculture in Amazonian fresh water

open access: yesAnimal, 2014
A prototype of an integrated closed system for fish-plankton aquaculture was developed in Iquitos (Peruvian Amazonia) in order to cultivate the Tiger Catfish, Pseudoplatystoma punctifer (Castelnau, 1855). This freshwater recirculating system consisted of
S. Gilles   +7 more
doaj   +1 more source

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