Results 61 to 70 of about 298 (171)

Composição centesimal e perfil de ácidos graxos do camarão-d'água-doce Centesimal composition and fatty acids profile of freshwater prawn

open access: yesRevista Brasileira de Zootecnia, 2006
Este estudo foi realizado para determinação da composição centesimal e do perfil de ácidos graxos do camarão-d'água-doce Macrobrachium amazonicum visando à análise de seu potencial nutritivo.
Wilson Massamitu Furuya   +6 more
doaj   +1 more source

Invasive giant river prawns as opportunistic, generalist predators in the Amazon Delta: Insights from metabarcoding

open access: yesEcosphere, Volume 16, Issue 11, November 2025.
Abstract Invasive species alter habitats and biological communities. The giant river prawn Macrobrachium rosenbergii (de Man 1879) was introduced to Brazil for aquaculture, and invasive populations have established in the Amazon Delta region where they are believed to pose a risk to the native aquatic fauna.
Aisha Carolina Cei   +12 more
wiley   +1 more source

Macrobrachium amazonicum

open access: yes, 2018
Macrobrachium amazonicum (Heller, 1862) (Fig. 3A–D) Material examined. Brazil, Piauí: Portinho Lagoon, 20.ii.2014, 60 specimens [CZDP (F2) 0054]. Idem, 19.vii.2014, 65 specimens [CZDP (F2) 0060]. Idem, 19.vii.2014, 3 males (LSZ 030). Parnaíba River, 04.iii.2013, 40 specimens [CZDP (F2) 0057].
openaire   +1 more source

VARIATION IN EGG SIZE OF THE FRESH-WATER PRAWN MACROBRACHIUM AMAZONICUM (DECAPODA: PALAEMONIDAE) [PDF]

open access: yesJournal of Crustacean Biology, 1996
ABSTRACT Egg size of the fresh-water prawn Macrobrachium amazonicum varied among ecologically isolated or geographically distant populations of the Amazon basin. The mean volume of both recently spawned nonpigmented eggs and older pigmented-eyed eggs was smaller in prawns from the Tocantins River (0.14 and 0.20 mm3, respectively) than in those from the
Odinetz Collart, O., Rabelo, H.
openaire   +2 more sources

Evaluation and Comparison Germplasm Resource of Two Species of Macrobrachium in China (M. hainanense and M. nipponense)

open access: yesAquaculture Research, Volume 2025, Issue 1, 2025.
The Macrobrachium genus thrives in freshwater and brackish environments. M. hainanense, a nocturnal freshwater prawn, is economically significant in China due to its delicious meat and rich nutrition. Its distribution is limited to regions like Zhejiang, Guangdong, Guangxi, Fujian, and Hainan due to breeding habits near estuaries and low‐temperature ...
Khadraoui Djamel Eddine   +8 more
wiley   +1 more source

Effects of Light Spectrum on Survival, Growth, Physiological, and Biochemical Indices of Redclaw Crayfish (Cherax quadricarinatus) Juveniles

open access: yesAquaculture Research, Volume 2024, Issue 1, 2024.
The spectrum is a key environmental factor, and light‐emitting diodes (LEDs) can influence the growth and development of crustaceans by altering the composition of the spectrum. This study conducted a 30‐day experiment to investigate the effects of five LED spectra (red, yellow, blue, green, and white light) on the growth, antioxidant and immune enzyme
Cuixue Huang   +10 more
wiley   +1 more source

Fecundity and fertility of Macrobrachium amazonicum (Crustacea, Palaemonidae)

open access: yesBrazilian Journal of Biology
In Brazil, studies with native freshwater prawn species were discontinued due to great importance of Macrobrachium rosenbergii. Therefore, it is necessary to continue investigations about our species, in order to develop technology adequate to our ...
R. R. da Silva   +2 more
doaj   +1 more source

Distribution of freshwater prawns (Crustacea: Decapoda) Macrobrachium amazonicum (Heller, 1862), Macrobrachium brasiliense (Heller, 1862) and Macrobrachium jelskii (Miers, 1877) in the State of Roraima, Brazil

open access: yesAmbiente, 2019
The state of Roraima presents a great diversity of aquatic environments, such as lakes, buritis trails, wetlands, streams and rivers. This study, therefore, aimed to know the geographical distribution of the M. amazonicum, M. brasiliense and M.
PATRICIA MACEDO DE CASTRO   +3 more
doaj   +1 more source

Nitrate acute toxicity to post larvae and juveniles of Macrobrachium amazonicum (Heller, 1862)

open access: yesChemosphere, 2020
The objective was to determine the median lethal concentration (LC50) of nitrate for post-larvae and juveniles of Macrobrachium amazonicum exposed for 96 h, and to identify histopathological alterations in the gills of juveniles exposed to nitrate. Post-larvae and juveniles of M.
Fabrício Martins Dutra   +5 more
openaire   +3 more sources

Aspectos ecológicos de decápodos del río Guayuriba (Meta, Colombia)

open access: yesCaldasia, 2019
La biomasa y papel detritívoro-triturador de los decápodos contribuyen al procesamiento de materia orgánica y reciclaje de nutrientes en sistemas acuáticos. Sin embargo, poco se conoce de su biología y ecología.
Jesús Manuel Vasquez-R.   +1 more
doaj   +1 more source

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