Results 61 to 70 of about 7,447 (233)

Neuroanatomical diversity in Teleocichla with new volumetric and histological insights into the encephalon of Teleocichla monogramma Kullander 1988

The Anatomical Record, EarlyView.
Abstract Teleocichla comprises small cichlids that inhabit the rapid streams of Amazonian rivers; however, there has been limited research on their encephalon morphology. This study examined the neuroanatomy of four species, focusing on volumetric measurements of their encephalon subregions, and providing a histological description of the encephalon of
Renan Leão‐Reis, Keila Xavier Magalhães, Thiago Nilton A. Pereira, Janice Muriel‐Cunha, Alberto Akama   +4 more
wiley   +1 more source

Metazoan parasite communities of three endemic cichlid fish species from the upper Grijalva River, Chiapas, Mexico

Helminthologia, 2020
We recorded the metazoan parasite communities in three endemic cichlids (Chiapaheros grammodes, Vieja breidohri and V. hartwegi) collected between November 2008 and July 2009 in the upper Grijalva River Basin (GRB), Chiapas, Mexico.
Paredes-Trujillo A., Martínez-Aquino A., Rodiles-Hernández R., González-Solís D.   +3 more
doaj   +1 more source

Population Genetic Structure of Three Cichlids in ‎Ilorin, North-Central Nigeria

The Iraqi Journal of Veterinary Medicine, 2022
Cichlids are among the economically important which serve as a source of food for people ‎around the world. A deep understanding of the population structure and genetic diversity of ‎cichlids are vital for initiation of conservation policies and
Oluyinka A Iyiola, Rahmat D Shaibu, Segun O Oladipo, Kazeem O Kareem, Lotanna M Nneji, Adeniyi C Adeola, Abass T ‎ Anifowoshe, Moise M Matouke   +7 more
doaj   +1 more source

Speciation with gene flow

PLANTS, PEOPLE, PLANET, EarlyView.
Biodiversity is threatened by human activities, with extinction debt accumulating rapidly. Many of these activities change the connectivity of populations, fragmenting existing population systems or bringing previously isolated populations or species into contact.
Zhiqin Long, Xu Zhang, Yue Yu, Gregory L. Owens, Diana J. Rennison, Clarisse Palma‐Silva, Daniel Ortiz‐Barrientos, Loren H. Rieseberg   +7 more
wiley   +1 more source

Impact of Lernaea cyprinacea Linnaeus 1758 (Crustacea : Copepoda) almost a decade after an initial parasitic outbreak in fish of Malilangwe Reservoir, Zimbabwe

Knowledge and Management of Aquatic Ecosystems, 2012
An assessment was carried out on the impact of Lernaea cyprinacea on fish populations ten years after its first outbreak in the Malilangwe reservoir, and Lernaea cyprinacea is currently showing no sign of declining in the ...
Dalu T., Nhiwatiwa T., Clegg B., Barson M.   +3 more
doaj   +1 more source

Maternal glucocorticoids have persistent effects on offspring social phenotype irrespective of opportunity for social buffering

Journal of Animal Ecology, EarlyView.
This study tests whether early‐life maternal association buffers offspring from the effects of prenatal stress in a facultatively social lizard. Despite clear effects of maternal glucocorticoids on growth and social behaviour, social associations did not mitigate these effects, revealing limits to social buffering in this species.
Kirsty J. MacLeod, Alix Bouffet‐Halle, Erik Wapstra, Tobias Uller, Geoffrey M. While   +4 more
wiley   +1 more source

Ontogenetic diet shifts of Oreochromis niloticus and Tilapia rendalli of the Barra Bonita reservoir (Tietê river, São Paulo State, Brazil) - doi: 10.4025/actascibiolsci.v34i3.9971

Acta Scientiarum: Biological Sciences, 2012
The Nile Tilapia, Oreochromis niloticus, and the Congo Tilapia, Tilapia rendalli, are important members of the African cichlids, and have been introduced to many Brazilian lakes and reservoirs.
Edmir Daniel Carvalho, Rosangela Lopes Zaganini, Ana Paula Vidotto-Magnoni   +2 more
doaj   +3 more sources

Genetic Diversity of the Cichlid Andinoacara latifrons (Steindachner, 1878) as a Conservation Strategy in Different Colombian Basins

Frontiers in Genetics, 2020
Cichlids constitute a diverse monophyletic group that have developed adaptive strategies to thrive in diverse environments. Andinoacara represents an example of diversification on the South American Andean uplift, providing a key model for understanding ...
Luz Elena De la Ossa-Guerra, Luz Elena De la Ossa-Guerra, Mateus Henrique Santos, Roberto Ferreira Artoni, Roberto Ferreira Artoni   +4 more
doaj   +1 more source

Plasticity in parental care: Interspecific competitor cues shape biparental cooperation in a burying beetle

Journal of Animal Ecology, EarlyView.
Our study contributes to our understanding of the effects of interspecific competition in species with biparental care where male and female parents must somehow coordinate their response to interspecific competition. Abstract Interspecific competition is an important evolutionary driver of many species' life histories and behaviours, arising wherever ...
Casey Patmore, Per T. Smiseth
wiley   +1 more source

Evolution: Cichlid Models on the Runaway to Speciation [PDF]

Current Biology, 2012
Rapid speciation has fascinated biologists for a long time. A recent study shows that ecological opportunity and sex-biased color differences increase the likelihood of speciation in African cichlid fishes.
Gante, Hugo F., Salzburger, Walter
openaire   +3 more sources