Results 11 to 20 of about 97,915 (261)
Use of Molecular Genetic Methods to Reduce the Risk of Incorrect Identification of Fish Strains in Brazilian Aquaculture [PDF]
Frontiers in Genetics, 2021 The identification of fish species using traditional methods is generally based only on morphological characteristics and these methods are currently under review.
Luana Maria Deoclécio da Silva +5 more
doaj +2 more sources
Revealing the Satellite DNA History in Psalidodon and Astyanax Characid Fish by Comparative Satellitomics [PDF]
Frontiers in Genetics, 2022 Eukaryotic genomes are usually enriched in repetitive DNA sequences, which can be classified as dispersed or tandemly repeated elements. Satellite DNAs are noncoding monomeric sequences organized in a head-to-tail fashion that are generally located on ...
Caio Augusto Gomes Goes +8 more
doaj +2 more sources
Machine learning models accurately predict clades of proteocephalidean tapeworms (Onchoproteocephalidea) based on host and biogeographical data. [PDF]
CladisticsAbstract Proteocephalids are a cosmopolitan and diverse group of tapeworms (Cestoda) that have colonized vertebrate hosts in freshwater and terrestrial environments. Despite the ubiquity of the group, key macroevolutionary processes that have driven the group's evolution have yet to be identified.
Vieira Alves P +7 more
europepmc +2 more sources
Frontiers in Genetics, 2022 Allopatry is generally considered to be one of the main contributors to the remarkable Neotropical biodiversity. However, the role of chromosomal rearrangements including neo-sex chromosomes for genetic diversity is still poorly investigated and ...
Pedro H. N. Ferreira +10 more
doaj +1 more source
Microsatellite loci in the tiger shark and cross-species amplification using pyrosequencing technology [PDF]
PeerJ, 2016 The tiger shark (Galeocerdo cuvier) has a global distribution in tropical and warm temperate seas, and it is caught in numerous fisheries worldwide, mainly as bycatch.
Natália J. Mendes +10 more
doaj +2 more sources
Desenvolvimento embrionário do peixe-zebra
Revista Captar: Ciência e Ambiente para Todos, 2022 Nos últimos anos o peixe-zebra (Danio rerio) tem-se tornado um modelo científico com interesse crescente em diversas áreas. Para além da facilidade em ser mantido e reproduzido em laboratório, o facto de ter um desenvolvimento embrionário rápido, elevada fecundidade e de os seus embriões serem grandes, transparentes e não mucilaginosos propulsionaram o
Domingues, Inês +3 more
openaire +3 more sources
Diversity, 2023 Anthropogenic actions have affected marine species for a long time, through overexploitation of natural stocks and habitat degradation, influencing the life strategies of several taxa, especially rays and sharks, which have suffered significant ...
Vanessa P. Cruz +8 more
doaj +1 more source
A case of intersex occurrence in Steindachneridion parahybae (Steindachner, 1877) (Siluriformes: Pimelodidae) under captivity condition: A cytogenetic and morphological study [PDF]
, 2016 Poco se sabe sobre la biología reproductiva de Steindachneridion parahybae , una especie de teleósteo gonocorístico en peligro de extinción que habita la cuenca del río Paraíba do Sul y en éste trabajo se describe por primera vez la aparición de ...
Caneppele, Danilo +4 more
core +2 more sources
Boletim do Instituto de Pesca, 2019 This paper focuses on to evaluate the importance of a free stretches upstream of a Neotropical reservoir for the maintenance of Schizodon intermedius populations, a medium size migratory species and important fisheries resources.
Felipe Pontieri de Lima +5 more
doaj +1 more source
Boletim do Instituto de Pesca, 2020 The yellow mandi Pimelodus maculatus is a medium-sized species with a wide geographical distribution. The species is very common in the Neotropical region, representing an important share of fishing activity in several Brazilian reservoirs.
Gianfrancisco Schork +4 more
doaj +1 more source