Results 81 to 90 of about 634 (155)

Determinantes ambientais da ocorrência de espécies de peixes em riachos de cabeceira da bacia do rio Ivinhema, alto rio Paraná = Environmental determinants of fish species occurrence in headwaters streams of Ivinhema river basin, upper Paraná river

open access: yesActa Scientiarum: Biological Sciences, 2007
Com o objetivo de quantificar a importância de algumas característicasfisiográficas dos riachos sobre a ocorrência de quatro espécies de Characidae em riachos de cabeceira na bacia do rio Ivinhema, realizaram-se amostragens bimestrais em dez riachos com ...
Yzel Rondon Súarez   +4 more
doaj  

FIGURE 3 in A new species of Hemigrammus Gill 1858 (Characiformes: Characidae) from the upper Rio Negro, Amazon basin, Brazil

open access: yes, 2019
FIGURE 3. Hemigrammus kuroobi, paratype, LBP 7074, 46.3 mm SL, showing light area between humeral blotch and midlateral stripe (arrow).Published as part of <i>Reia, Lais & Benine, Ricardo C., 2019, A new species of Hemigrammus Gill 1858 ...
Reia, Lais [UNESP]   +5 more
core   +1 more source

Fig. 7 in Hemigrammus tocantinsi: a new species from the upper rio Tocantins basin, Central Brazil (Characiformes: Characidae)

open access: yes, 2010
Fig. 7. Type locality of Hemigrammus tocantinsi, Brazil, Goiás, Cavalcante, rio das Pedras, Fazenda Córrego Fundo.Published as part of Carvalho, Fernando R., Bertaco, Vinicius A.
Carvalho, Fernando R.   +2 more
core   +1 more source

A new species of Hemigrammus Gill, 1858 (Characiformes: Characidae) from Río Caura, Venezuela

open access: yes, 2007
Benine, Ricardo C., Lopes, Guilherme A. M. (2007): A new species of Hemigrammus Gill, 1858 (Characiformes: Characidae) from Río Caura, Venezuela.
Benine, Ricardo C.   +3 more
core   +2 more sources

Hemigrammus ora Zarske, Le Bail, Gery 2006

open access: yes, 2018
Hemigrammus ora Zarske, Le Bail, Géry, 2006 Fig. 8 Body elongated; greatest depth contained 2.9 to 3.4 and caudal peduncle depth 8.3 to 11.2 times in SL; head length 3.3 to 4.0, predorsal distance 1.8 to 2.0 and caudal peduncle length 6.3 to 9.2 in ...
Deprá, Gabriel de Carvalho   +3 more
core   +1 more source

Hemigrammus newboldi

open access: yes, 2020
Hemigrammus newboldi (Fernández-Yépez, 1949) (Figs. 18–19) Ramirezella newboldi Fernández-Yépez, 1949: 2 [original description; type locality: “Palital, Edo.
Mathubara, Kleber, Toledo-Piza, Mônica
core   +1 more source

Identifying influential neighbors in animal flocking.

open access: yesPLoS 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   +7 more
doaj   +1 more source

Fig. 4 in Hemigrammus tocantinsi: a new species from the upper rio Tocantins basin, Central Brazil (Characiformes: Characidae)

open access: yes, 2010
Fig. 4. Hemigrammus tocantinsi, paratypes, UFRGS 11300, male above, 27.3 mm SL and female below, 29.5 mm SL. Images of specimens just after fixation.Published as part of Carvalho, Fernando R., Bertaco, Vinicius A.
Carvalho, Fernando R.   +2 more
core   +1 more source

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

open access: yesBrazilian 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   +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

open access: yesGayana, 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  

Home - About - Disclaimer - Privacy