Results 1 to 10 of about 321 (98)

Biflagellate spermatozoon structure of the hermaphrodite fish Satanoperca jurupari (Heckel, 1840) (Teleostei, Cichlidae) from the Amazon River [PDF]

open access: yesBrazilian Journal of Biology, 2002
The ultrastructural features of the sperm were studied in the hermaphroditic teleost Satanoperca jurupari HECKEL, 1840 from Amazon River. Spermatocytes, spermatids and sperm develop in the testicular cysts among the different oocyte stages.
MATOS E., SANTOS M. N. S., AZEVEDO C.
doaj   +7 more sources

Metabolic adjustments in Satanoperca aff. jurupari (Perciformes: Cichlidae) [PDF]

open access: yesGenetics and Molecular Biology, 2003
In this paper, we describe the enzyme levels and isozyme distribution in skeletal and heart muscle of Satanoperca aff. jurupari, (Cichlidae, subgroup Geophaginae). LDH and CS were measured in skeletal and heart muscle. Starch gel electrophoresis was used
Chippari-Gomes Adriana R.   +4 more
doaj   +8 more sources

Fauna parasitaria de dos peces del género Satanoperca (Cichlidae): una revisión de las investigaciones realizadas en el siglo XXI [PDF]

open access: yesRevista Peruana de Investigación Agropecuaria, 2022
Los cíclidos, son peces de climas cálidos que presentan una rica variedad de patrones de coloración, comportamiento, hábitos alimenticios y tamaños. Los cíclidos del género Satanoperca están ampliamente distribuidos en la región oriental de América del ...
Fred William Chu-Koo   +2 more
doaj   +3 more sources

Henneguya sacacaensis n. sp. (Myxozoa: Myxosporea) parasitizing gills of the acará bicudo Satanoperca jurupari (Osteichthyes: Cichlidae) in eastern Amazon [PDF]

open access: yesRevista Brasileira de Parasitologia Veterinária, 2020
This study describes Henneguya sacacaensis n. sp. in specimens of the Osteichthyes Satanoperca jurupari (Heckel, 1840), collected in the Rio Curiaú Environmental Protection Area in the city of Macapá, state of Amapá Brazil.
Roger Leomar da Silva Ferreira   +5 more
doaj   +5 more sources

Rapid morphological change in multiple cichlid ecotypes following the damming of a major clearwater river in Brazil. [PDF]

open access: yesEvol Appl, 2020
Abstract While anthropogenic disturbances can have damaging effects on biodiversity, they also offer an opportunity to understand how species adapt to new environments and may even provide insights into the earliest stages of evolutionary diversification. With these topics in mind, we explored the morphological changes that have occurred across several
Gilbert MC   +3 more
europepmc   +2 more sources

Parasitic diversity of a wild Satanoperca jurupari population, an ornamental cichlid in the Brazilian Amazon [PDF]

open access: yesActa Amazonica, 2017
Assessment of biodiversity is fundamental for the understanding of ecological interactions, but fish parasites were neglected in biodiversity estimates for a long time.
Marcos TAVARES-DIAS   +3 more
doaj   +4 more sources

Raphidascaris (Sprentascaris) lanfrediae sp. nov. (Nematoda: Anisakidae) from the fish Satanoperca jurupari (Osteichthyes: Cichlidae) [PDF]

open access: yesMemorias do Instituto Oswaldo Cruz, 2011
Raphidascaris (Sprentascaris) lanfrediae sp. nov. is described from the intestine of the freshwater fish Satanoperca jurupari (Heckel) (Cichlidae) from the Guamá River, state of Pará, Brazil.
Marly de Fátima Carvalho de Melo   +4 more
doaj   +3 more sources

Ectoparasites community in Satanoperca jurupari (Cichlidae) from the Jari River, a tributary from Amazon River in Northern Brazil [PDF]

open access: yesRevista Brasileira de Parasitologia Veterinária, 2017
The aim of this study was to investigate the gills parasites in Satanoperca jurupari from the Jari River, state of Amapá, in eastern Amazon (Brazil).
Marcos Sidney Brito de Oliveira   +4 more
doaj   +4 more sources

A record of pughead deformity in Satanoperca jurupari (Heckel, 1840) (Teleostei: Cichlidae) in the Lower Rio Tocantins Basin [PDF]

open access: yesActa Limnologica Brasiliensia
: The pughead condition is a cranial deformity characterized by a shortened upper jaw relative to the lower jaw. In this study, we report the occurrence of this deformity in a single specimen of the Demon Eartheater, Satanoperca jurupari, collected in ...
Lais Lobato Jacob   +4 more
doaj   +2 more sources

Records of new localities and hosts for crustacean parasites in fish from the eastern Amazon in northern Brazil. [PDF]

open access: yesJ Parasit Dis, 2017
The aim of this study was to investigate parasites crustacean fauna in Arapaima gigas, Cichla monoculus, Cichla ocellaris, Cichla jariina, Satanoperca jurupari, Leporinus friderici, Leporinus fasciatus, Hoplias malabaricus, Phractocephalus hemioliopterus,
Oliveira MSB   +4 more
europepmc   +3 more sources

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