Results 1 to 10 of about 4,763 (139)

Molecular Cloning and AlphaFold Modeling of Thyrotropin (ag-TSH) From the Amazonian Fish Pirarucu () [PDF]

Bioinformatics and Biology Insights, 2023
Arapaima gigas , known as Pirarucu in Brazil, is one of the largest freshwater fish in the world. Some individuals could reach 3 m in length and weight up to 200 kg.
Renan Passos Freire, Jorge Enrique Hernandez-Gonzalez, Eliana Rosa Lima, Miriam Fussae Suzuki, João Ezequiel de Oliveira, Lucas Simon Torati, Paolo Bartolini, Carlos Roberto Jorge Soares   +7 more
doaj   +2 more sources

A duplicated copy of id2b is an unusual sex-determining candidate gene on the Y chromosome of arapaima (Arapaima gigas) [PDF]

Scientific Reports, 2021
Arapaima gigas is one of the largest freshwater fish species of high ecological and economic importance. Overfishing and habitat destruction are severe threats to the remaining wild populations.
Mateus C. Adolfi, Kang Du, Susanne Kneitz, Cédric Cabau, Margot Zahm, Christophe Klopp, Romain Feron, Rômulo V. Paixão, Eduardo S. Varela, Fernanda L. de Almeida, Marcos A. de Oliveira, Rafael H. Nóbrega, Céline Lopez-Roques, Carole Iampietro, Jérôme Lluch, Werner Kloas, Sven Wuertz, Fabian Schaefer, Matthias Stöck, Yann Guiguen, Manfred Schartl   +20 more
doaj   +2 more sources

Point for Enrichment, Point for Welfare—Testing Use of a Laser Pointer with Arapaima gigas [PDF]

Animals, 2023
The arapaima (Arapaima gigas) is one of the largest freshwater fish species, known to exceed 3 m in total length. It is listed as Data Deficient by the IUCN. A. gigas is native to the Amazon River basin where they are an important food source.
Eszter Matrai, Hau Yin Alfred Chan, Fung Ming Leung, Shaw Ting Kwok, Xiao Lin, Paolo Martelli   +5 more
doaj   +2 more sources

Alobophora sandrae n. gen. n. sp. (Digenea: Caballerotrematidae) infecting Arapaima gigas sensu lato (Osteoglossiformes: Arapaimidae) with a revision of Caballerotrema, key to Caballerotrematidae, and updated phylogeny [PDF]

Parasite
We propose and describe Alobophora sandrae Cajiao-Mora & Bullard n. gen., n. sp. (Digenea: Caballerotrematidae) for specimens we collected from arapaima, Arapaima gigas sensu lato (Osteoglossiformes: Arapaimidae) in the Amazon River near Leticia ...
Cajiao-Mora Kamila, Brule John H., Warren Micah B., Ksepka Steven P., Dutton Haley R., Bullard Stephen A.   +5 more
doaj   +2 more sources

Morphology of the Amazonian Teleost Genus Arapaima Using Advanced 3D Imaging [PDF]

Frontiers in Physiology, 2020
The arapaima is the largest of the extant air-breathing freshwater fishes. Their respiratory gas bladder is arguably the most striking of all the adaptations to living in the hypoxic waters of the Amazon basin, in which dissolved oxygen can reach 0 ppm ...
Miriam Scadeng, Miriam Scadeng, Christina McKenzie, Weston He, Weston He, Hauke Bartsch, Hauke Bartsch, David J. Dubowitz, David J. Dubowitz, Dominik Stec, Judy St. Leger   +10 more
doaj   +2 more sources

Histological and molecular characterization of the digestive system of early weaned juveniles of Arapaima sp. reared in a recirculating aquaculture system. [PDF]

PLoS ONE
Arapaima spp., the world's largest scaled freshwater fish, native to the Amazon and Essequibo river basins, are valued in aquaculture for their rapid growth and ornamental appeal.
Maria J Darias, Guillain Estivals, Karl B Andree, Christian Fernández-Méndez, Roger Bazán, Chantal Cahu, Enric Gisbert, Diana Castro-Ruiz   +7 more
doaj   +2 more sources

Skim Milk as a Multifunctional Cryoprotectant for Fish Probiotic Enterococcus spp.: Impact on Viability During Lyophilization and Long-Term Storage [PDF]

Microorganisms
This study investigated the efficacy of different cryoprotectants (maltodextrin, skim milk, trehalose, sucrose, fructose, and dextrose) in protecting probiotic cultures isolated from the microbiota of arapaima (Arapaima gigas) (Enterococcus faecium ...
Matheus Gomes da Cruz, Ana Maria Souza da Silva, Karen Dayana Prada-Mejia, Hector Henrique Ferreira Koolen, Guilherme Campos Tavares, Gustavo Moraes Ramos Valladão   +5 more
doaj   +2 more sources

Genomic approach for conservation and the sustainable management of endangered species of the Amazon. [PDF]

PLoS ONE, 2021
A broad panel of potentially amplifiable microsatellite loci and a multiplex system were developed for the Amazonian symbol fish species Arapaima gigas, which is currently in high danger of extinction due to the disorderly fishing exploitation.
Paola Fazzi-Gomes, Jonas Aguiar, Gleyce Fonseca Cabral, Diego Marques, Helber Palheta, Fabiano Moreira, Marilia Rodrigues, Renata Cavalcante, Jorge Souza, Caio Silva, Igor Hamoy, Sidney Santos   +11 more
doaj   +2 more sources

Streptococcus agalactiae Infection in Wild Trahira (Hoplias malabaricus) and Farmed Arapaima (Arapaima gigas) in Brazil: An Interspecies Transmission in Aquatic Environments Shared with Nile Tilapia (Oreochromis niloticus) [PDF]

Microorganisms
Streptococcus agalactiae is an important pathogen responsible for cases of high mortality in farmed and wild fish worldwide. In Brazil, this bacterium has been commonly associated with outbreaks in Nile tilapia farms, but other native fish species are ...
Carlos Augusto Gomes Leal, Rafael Gariglio Clark Xavier, Guilherme Alves de Queiroz, Tarcísio Martins França Silva, Júnia Pacheco Teixeira, Flávia Figueira Aburjaile, Guilherme Campos Tavares   +6 more
doaj   +2 more sources

Candidate Species for Florida Aquaculture: Arapaima Arapaima gigas

EDIS, 2021
Arapaima Arapaima gigas, also known as paiche and pirarucu, is a large South American freshwater fish with unique biology, favorable aquaculture characteristics, and potential for production in south Florida.
Cortney Ohs, Jeffrey Hill, Sarah Wright, H. Mae Giddings, Allison Durland Donahou   +4 more
doaj   +3 more sources