Results 11 to 20 of about 103,536 (244)
Scientific Reports, 2023 The Neotropical monophyletic catfish genus Harttia represents an excellent model to study karyotype and sex chromosome evolution in teleosts. Its species split into three phylogenetic clades distributed along the Brazilian territory and they differ ...
Francisco de Menezes Cavalcante Sassi +9 more
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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
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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
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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
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Biology, 2022 Diversity found in Neotropical freshwater fish is remarkable. It can even hinder a proper delimitation of many species, with the wolf fish Erythrinus erythrinus (Teleostei, Characiformes) being a notable example.
Fernando H. S. de Souza +7 more
doaj +1 more source
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
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
Research, Society and Development, 2020 A aquicultura e o mercado de peixes ornamentais vêm conquistando um papel de destaque no cenário do agronegócio no Brasil e no mundo, fazendo com que cresça uma busca por aprimoramento profissional nesta área, por parte de médicos veterinários. Com isso, este trabalho buscou, através de uma investigação por meio de revisão de literatura, explorar o ...
Jaqueline Nunes Nieri Moreira da Rocha +6 more
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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