Results 31 to 40 of about 3,343 (212)

The fish fauna of the Iwokrama Forest [PDF]

open access: yes, 2005
Fishes were collected from the rivers in and around the Iwokrama Forest during January-February and November-December 1997. Four hundred species of fish were recorded from forty families in ten orders.
Arjoon, D   +5 more
core   +1 more source

Reproductive biology of Heros efasciatus Heckel,1840 (Pisces, Cichlidae) in the Amanã Sustainable Reserve (Amazonas, Brazil), aiming at sustainable management of the species [PDF]

open access: yes, 2010
Com o principal objetivo de fornecer ferramentas para auxiliar na implementação do manejo sustentável de peixes ornamentais na Reserva de Desenvolvimento Sustentável Amanã, Amazonas, foi realizado o estudo da biologia reprodutiva de Heros efasciatus ...
FAVERO, Jana Menegassi del   +2 more
core   +3 more sources

Comparison of fish assemblages in two littoral habitats in a Neotropical morichal stream in Venezuela [PDF]

open access: yes, 2008
Morichales are lowland streams in South American savannas with riparian forest dominated by the moriche palm (Mauritia flexuosa). We sampled littoral habitats from ten flooded vegetated patches (dominated by Mauritiella aculeate) and six sand banks in ...
Layman, Craig A.   +2 more
core   +2 more sources

Trophic Redundancy and the Hidden Dietary Overlap Between Native and Invasive Stream Fishes

open access: yesEcology of Freshwater Fish, Volume 35, Issue 3, July 2026.
ABSTRACT Biological invasions introduce non‐native species into natural ecosystems, often reshaping localcommunities and altering trophic interactions. In freshwater environments, such invasions can intensify resource use and threaten native fish diversity.
Ronielson Gaia   +6 more
wiley   +1 more source

Reproduction of species of the genus Cichla in a reservoir in Southeastern Brazil Reprodução de espécies de Cichla em um reservatório do Sudeste do Brasil

open access: yesBrazilian Journal of Biology, 2004
The reproduction of two species of Cichla (Cichla cf. ocellaris and C. monoculus, commonly known in Brazil as tucunaré) introduced in the Volta Grande Reservoir, southeastern Brazil, was analyzed.
L. M. Gomiero, F. M. S. Braga
doaj   +1 more source

Ergasilus coatiarus Sp. N. (Copepoda, Poecilostomatoida, Ergasilidae) parasita dos filamentos branquiais de Cichla monoculus spix, 1831 (Perciforme: Cichlidae) da Amazônia Brasileira [PDF]

open access: yesActa Amazonica, 1998
A fêmea de Ergasilus coatiarussp. n. (Copepoda, Poecilostomatoida, Ergasilidae) é descrita dos filamentos branquiais de Cichla monoculusSpix, 1831, capturado na ilha da Marchantaria, próximo a Manaus, Brasil.
Cleusa Suzana de ARAUJO, Angela VARELLA
doaj   +1 more source

Discrimination of species and populations of the genus Cichla (Cichliformes: Cichlidae) in rivers of the Amazon basin using otolithic morphometry

open access: yesNeotropical Ichthyology, 2021
The genus Cichla is a highly diverse group, with 16 species already described. Externally, some species are very similar and discriminating between them may be very difficult.
Marcos A. Mereles   +5 more
doaj   +1 more source

Cichla piquiti Kullander, Ferreira 2006

open access: yes, 2018
Published as part of Ota, Renata Rúbia, Deprá, Gabriel de Carvalho, Graça, Weferson Júnio da & Pavanelli, Carla Simone, 2018, Peixes da planície de inundação do alto rio Paraná e áreas adjacentes: revised, annotated and updated, pp. 1-111 in Neotropical Ichthyology 16 (2) on page 93, DOI: 10.1590/1982-0224-20170094, http://zenodo.org/record ...
Ota, Renata Rúbia   +3 more
openaire   +1 more source

The impacts of biological invasions

open access: yesBiological Reviews, Volume 101, Issue 3, Page 1255-1310, June 2026.
ABSTRACT The Anthropocene is characterised by a continuous human‐mediated reshuffling of the distributions of species globally. Both intentional and unintentional introductions have resulted in numerous species being translocated beyond their native ranges, often leading to their establishment and subsequent spread – a process referred to as biological
Phillip J. Haubrock   +42 more
wiley   +1 more source

Stock assessment of the peacock bass Cichla temensis (Humboldt, 1821), an important fishing resource from the middle Negro river, Amazonas, Brazil [PDF]

open access: yesBrazilian Journal of Biology
Peacock bass Cichla temensis is an important species at the Amazon basin, since commercial, subsistence and recreational fisheries simultaneously exploit it.
C. P. Campos   +2 more
doaj   +2 more sources

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