Results 61 to 70 of about 609 (192)
Synchronization and collective swimming patterns in fish (Hemigrammus bleheri) [PDF]
Journal of The Royal Society Interface, 2016 In this work, we address the case of red nose tetra fishHemigrammus bleheriswimming in groups in a uniform flow, giving special attention to the basic interactions and cooperative swimming of a single pair of fish. We first bring evidence of synchronization of the two fish, where the swimming modes are dominated by ‘out-phase’ and ‘in-phase ...
Ashraf, I. +4 more
openaire +4 more sources
Aquaculture, Fish and Fisheries, Volume 5, Issue 4, August 2025.ABSTRACT With the rising cost and ecological impact of traditional fishmeal, there is an urgent need for sustainable and locally available alternative protein sources in aquaculture. This study evaluated the effectiveness of Eisenia fetida meal as a sustainable protein substitute for fishmeal in the diets of Oreochromis niloticus fingerlings under ...
Belay Abdissa +2 more
wiley +1 more source
Análise filogenética das espécies de Hemigrammus Gill, 1858 (Characiformes, Characidae)
, 2010 Hemigrammus Gill, (1858) é um dos gêneros mais especiosos dentro da família Characidae, com 51 espécies distribuídas nas Américas do Sul e Central; porém, pouco se sabia sobre suas relações com outros táxons de Characidae, sendo considerado por muitos ...
Serra, Jane Piton [UNESP]
core +2 more sources
A new Hyphessobrycon (Characiformes: Acestrorhamphidae) from the rio Mamuru basin, Amazonas State, Brazil [PDF]
Neotropical IchthyologyA new species of Hyphessobrycon from the rio Mamuru basin, Pará State, Brazil, is described. The new species is similar to two congeners, Hyphessobrycon hildae and Hy. taguae, and to a non-congener, Hemigrammus bellottii, by the presence of a conspicuous,
Tiago C. Faria +3 more
doaj +1 more source
Conservation Science and Practice, Volume 7, Issue 7, July 2025.This paper approaches the patterns in fish distribution across the altitudinal gradient in the Upper Paraguay River basin, from uplands to the floodplain. We compiled more than 75,000 available fish records and registered 342 fish species and your distribution along altitudinal gradient. Floodplain portion have higher species diversity than headwaters,
Adriana Maria Espinoza Fernando +11 more
wiley +1 more source
“Split Happens”: a Rare Case of Chromosomal Mosaicism in Characin from an Impacted River Basin [PDF]
Brazilian Archives of Biology and TechnologyChromosomal polymorphisms have been reported in numerous vertebrates, including fishes. Such variation is usually related to karyoevolutionary trends and speciation but might also be a result of environmental stress.
Mauricio Barros Fernandes +4 more
doaj +1 more source
Hemigrammus bellottii (Steindachner 1882) Distribution Western Amazonia.
Escobar-Camacho, Daniel +4 more
openaire +2 more sources
Brazilian Journal of BiologyClove oil is used as a fish anesthetic because it is a natural and inexpensive product with low toxicity risks. The goal of the present study was to determine the appropriate concentration of clove oil for small-sized tropical fish to be used in mark ...
I. M. Fernandes +4 more
doaj +1 more source
A new Hyphessobrycon (Characiformes: Acestrorhamphidae) from the Central Amazon basin, Brazil [PDF]
Papéis Avulsos de ZoologiaA new species of Hyphessobrycon is described from the region of the lower rioTapajós basin, state ofPará, and tributaries of the northern bank of the Amazon River from the rio Itapiranga basin westward to the lower rio Negro basin, states of Amazonas and
Flávio C.T. Lima +3 more
doaj +1 more source
, 2014 Published as part of Litz, Thomas O. & The, Stefan Koerber Introduction, 2014, Check List of the Freshwater Fishes of Uruguay (CLOFF-UY)., pp.
Litz, Thomas O. +1 more
openaire +2 more sources