Results 81 to 90 of about 2,154 (173)

Influence of black spot disease on shoaling behaviour in female western mosquitofish, Gambusia affinis (Poeciliidae, Teleostei) [PDF]

open access: yes, 2018
Parasites can fundamentally alter the cost-benefit ratio of living in a group, e.g. if infected individuals increase the predation risk of shoal mates. Here, the effect of an infection with a trematode, Uvulifer sp.
Schlupp, Ingo, Tobler, Michael
core  

Análise da variabilidade genética e do contributo parental em gerações sucessivas de choco cultivado, Sepia officinalis, Linnaeus 1758 [PDF]

open access: yes, 2014
Dissertação de mestrado, Aquacultura e Pescas, Faculdade de Ciências e Tecnologia, Universidade do Algarve, 2014O choco, Sepia officinalis Linnaeus, 1758, é uma das espécies de cefalópodes mais facilmente cultivada em laboratório desde o final da década ...
Gomes, João Tiago Rodrigues
core  

Adventures in Time and Space: What Shapes Behavioural Decisions in Drosophila melanogaster? [PDF]

open access: yes, 2019
Variation in behaviour can be observed both between individuals, based on their condition and experience as well as between populations due to sources of heterogeneity in the environment.
Long, Tristan AF, Dr., Malek, Heather
core   +1 more source

Female preferences, paternity and fitness: A combined morphometric/molecular genetic study on Poecilia latipinna and Poecilia formosa

open access: yes, 2015
Mate preferences represent an adaptive choice when costs associated with reproduction can be alleviated through gaining direct or indirect benefits from choosing the better mate. Female poeciliid fishes do show clear mate preferences for certain males although males in this highly promiscuous taxon only contribute sperm to reproduction.
openaire   +2 more sources

Monitoring and Research on Wading Birds in the Water Conservation Areas ofthe Everglades: The 1996 Nesting season [PDF]

open access: yes, 1996
This project was initiated to continue monitoring reproductive responses of wading birds in the central Everglades, and to investigate two areas of research considered key to understanding and managing wading birds: nestling energetics, and factors ...
Frederick, Peter C.   +2 more
core  

Isolation of a cancer-associated microchromosome in the sperm-dependent parthenogen Poecilia formosa.

open access: yesCytogenetic and genome research, 2011
In the asexual all-female fish species Poecilia formosa, the Amazon molly, supernumerary chromosomes have frequently been found in both laboratory-reared and wild-caught individuals. While wild-caught individuals with B chromosomes are phenotypically indifferent from conspecifics, individuals carrying B chromosomes from recent introgression events in ...
Lamatsch, D. K.   +5 more
openaire   +2 more sources

Population genomics reveals a possible history of backcrossing and recombination in the gynogenetic fish Poecilia formosa. [PDF]

open access: yesProc Natl Acad Sci U S A, 2013
Alberici da Barbiano L   +4 more
europepmc   +1 more source

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