Results 41 to 50 of about 800 (196)

Geophagus balzanii NT

open access: yes, 2014
G. balzanii (Perugia, 1891) NT original Geophagus balzanii synonyms Geophagus duodecimspinosus Boulenger, 1895 Gymnogeophagus cyanopterus Miranda Ribeiro, 1918 first record Vaz-Ferreira et al. (1983)
Litz, Thomas O.   +1 more
openaire   +2 more sources

Geophagus Heckel 1840

open access: yes, 2018
Geophagus 1. A grey to black suborbital stripe; body with light-beige longitudinal bands, sometimes bluish in live specimens; upper lateral line with 17 to 19 pored scales; longitudinal series with 24 to 27 scales.............................. G. brasiliensis 1’.
Ota, Renata Rúbia   +3 more
openaire   +2 more sources

A new endemic pearl cichlid of the ‘Geophagus’ brasiliensis (Cichliformes: Cichlidae) species group from the Piranga River, upper Doce River basin, southeastern Brazil

open access: yesJournal of Fish Biology, EarlyView.
Abstract A new species of pearl cichlid of the ‘Geophagus’ brasiliensis species group, endemic to the Piranga River, a major tributary of the upper Doce River basin in the state of Minas Gerais, southeastern Brazil, is herein described. The new species is delimited using an integrative approach, with molecular‐based species delimitation methods coupled
Cidimar E. de Assis   +7 more
wiley   +1 more source

Eugenol and tricaine methanesulfonate as anhestesics for the pearl cichlid

open access: yesActa Scientiarum: Biological Sciences, 2021
Anesthesia reduces the handling process duration and prevent fish injuries. The anesthetic effect and ideal concentrations of eugenol and tricaine methanesulfonate (MS-222) were tested for pearl cichlid (Geophagus brasiliensis) juveniles with an average
Luan Honorato   +4 more
doaj   +1 more source

Geophagus labiatus NT

open access: yes, 2014
G. labiatus (Hensel, 1870) NT original Geophagus labiatus synonyms Geophagus bucephalus Hensel, 1870 Geophagus scymnophilus Hensel, 1870 first record Nion et al. (2002)
Litz, Thomas O.   +1 more
openaire   +1 more source

High trophic niche overlap between sympatric peacock basses (Cichliformes: Cichlidae: Cichla): Concordant findings from three dietary analysis methods

open access: yesJournal of Fish Biology, EarlyView.
Abstract Dietary analysis has contributed to our understanding of animal niches, interspecific interactions, community structure and the flow of matter and energy in food webs. We employed three methods of dietary analysis to estimate trophic niche overlap between two peacock bass species, Cichla cataractae and Cichla ocellaris, across sympatric ...
Benton L. Fry   +2 more
wiley   +1 more source

Geophagus mirabilis Depra, Kullander, Pavanelli & da Graca 2014

open access: yes, 2022
Published as part of De Oliveira, Rianne C., Ota, Renata R., Deprá, Gabriel C., Zawadzki, Cláudio H., Pavanelli, Carla S. & Da Graça, Weferson J., 2022, Catalog of type specimens of the fish collection of the Núcleo de Pesquisas em Limnologia, Ictiologia e Aquicultura (NUP), Universidade Estadual de Maringá Paraná, Brazil, pp.
De Oliveira, Rianne C.   +5 more
openaire   +1 more source

Take my breath away: Defining the oxygen saturation threshold for fish cortisol stress response

open access: yesJournal of Fish Biology, EarlyView.
Abstract Human activities are affecting the number, size and severity of hypoxic zones in aquatic ecosystems. As oxygen is one of the most important abiotic factors affecting fish biology, exposure to low levels of dissolved oxygen may lead to a reduction in fitness.
Sébastien Alfonso   +4 more
wiley   +1 more source

Diversidade de parasitos metazoários em Geophagus altifrons (Cichlidae) da Bacia do Rio Jari, AP, Brasil. [PDF]

open access: yes, 2022
O objetivo deste estudo foi investigar a comunidade e infracomunidades de parasitos em Geophagus altifrons do Rio Jari, município de Laranjal de Jari, estado do Amapá, na região da Amazônia Oriental.Editoras técnicas: Cristiane Ramos de Jesus, Ana ...
TAVARES-DIAS, M.   +2 more
core  

FIGURE 4. Geophagus crocatus, ROM 86918, 91.2 in Geophagus crocatus, a new species of geophagine cichlid from the Berbice River, Guyana, South America (Teleostei: Cichlidae)

open access: yes, 2013
FIGURE 4. Geophagus crocatus, ROM 86918, 91.2 mm SL, Berbice River, above and below Itabru falls and in quiet lake-like expansions below the falls.Published as part of Hauser, Frances E.
Hauser, Frances E.   +1 more
core   +1 more source

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