Results 91 to 100 of about 292 (171)

Hemigrammus anisitsi Eigenmann & Ward 1907

, 2014
H. anisitsi Eigenmann & Ward, 1907 NT synonym Homodiaetus vazferreirai Devincenzi, 1939 details type locality vazferreirai: Río Uruguay at ...
Litz, Thomas O., The, Stefan Koerber Introduction   +1 more
openaire   +1 more source

Identifying influential neighbors in animal flocking.

PLoS Computational Biology, 2017
Schools of fish and flocks of birds can move together in synchrony and decide on new directions of movement in a seamless way. This is possible because group members constantly share directional information with their neighbors.
Li Jiang, Luca Giuggioli, Andrea Perna, Ramón Escobedo, Valentin Lecheval, Clément Sire, Zhangang Han, Guy Theraulaz   +7 more
doaj   +1 more source

Morphological variation among populations of Hemigrammus coeruleus (Characiformes: Characidae) in a Negro River tributary, Brazilian Amazon

Neotropical Ichthyology, 2017
We explored patterns of phenotypic variation in Hemigrammus coeruleus from the Unini River basin, a blackwater river in the Brazilian Amazon. Geometric morphometrics was used to evaluate variation in body shape among populations from four tributaries ...
Henrique Lazzarotto, Thiago Barros, José Louvise, Érica Pellegrini Caramaschi   +3 more
doaj   +1 more source

Hemigrammus megaceps Fowler 1945

Hemigrammus megaceps Fowler 1945 Distribution Eastern Ecuador, eastern Peru.
Escobar-Camacho, Daniel, Valdiviezo-Rivera, Jonathan, Carrillo-Moreno, Carolina, Argüello, Pablo, Swing, Kelly   +4 more
openaire   +2 more sources

Hemigrammus pretoensis Gery 1965

Hemigrammus pretoensis Géry 1965 Distribution Upper Amazon. Notes Barriga (2012).
Escobar-Camacho, Daniel, Valdiviezo-Rivera, Jonathan, Carrillo-Moreno, Carolina, Argüello, Pablo, Swing, Kelly   +4 more
openaire   +2 more sources

Hemigrammus cupreus Durbin 1918

Hemigrammus cupreus Durbin 1918 Distribution Western Amazonia. Notes Galacatos et al. (2004).
Escobar-Camacho, Daniel, Valdiviezo-Rivera, Jonathan, Carrillo-Moreno, Carolina, Argüello, Pablo, Swing, Kelly   +4 more
openaire   +2 more sources

Trophic ecology of Hemigrammus marginatus Ellis, 1911 (Characiformes, Characidae) in a conserved tropical stream

Brazilian Journal of Biology
The trophic ecology of ichthyofauna in a stream can be related to the presence or absence of riparian and aquatic vegetation, and mainly resource availability.
E. N. Fragoso-Moura, T. F. Luiz, R. Z. Coeti, A. C. Peret   +3 more
doaj   +1 more source

THE CONSERVATION STATE OF CHARACIDAE FISH (PISCES: CHARACIFORMES) IN AN AREA OF THE PLATA BASIN, ARGENTINA ESTADO DE CONSERVACION DE PECES CHARACIDAE (PISCES: CHARACIFORMES) EN UN AREA DE LA CUENCA DEL PLATA, ARGENTINA

Gayana, 2007
The fish conservation was quantified by means of the index SUMIN, composed by the summation of 12 outstanding variables for the species survival and/or conservation.
Marcelo A Zayas, Elly Cordiviola
doaj  

Hemigrammus lunatus Durbin 1918

Hemigrammus lunatus Durbin 1918 Distribution Amazon, Orinoco, Paraguay. Notes Barriga (1994), Galacatos et al. (2004).
Escobar-Camacho, Daniel, Valdiviezo-Rivera, Jonathan, Carrillo-Moreno, Carolina, Argüello, Pablo, Swing, Kelly   +4 more
openaire   +2 more sources

Hemigrammus taphorni Benine & Lopes, 2007, sp. nov.

, 2007
Published as part of Benine, Ricardo C. & Lopes, Guilherme A. M., 2007, A new species of Hemigrammus Gill, 1858 (Characiformes: Characidae) from Río Caura, Venezuela, pp.
Benine, Ricardo C., Lopes, Guilherme A. M.   +1 more
openaire   +3 more sources