Navigation Links
Environmental factors determine whether immigrants are accepted by cooperatively breeding animals
Date:2/6/2013

e to immigrants and more likely to accept the unknown and unrelated fish as a member of their group when they are simultaneously exposed to predators. They concluded that cichlid fish are more likely to accept immigrants into their group when they are under threat from predators and can be used to increase their defences.

Dr Zӧttl added: "Our fish resemble human societies' view of immigration in two crucial aspects: The need for help in the territory takes precedence, and it seems to be a strategy of the territory holders to accept immigrants only when they need assistance with territory defence. This resembles human societies which organise immigration according to the demand in the society by encouraging skilled immigration when certain types of labour are in short supply."

The researchers also found that the fish appear to consider future threats. When egg predators were presented to a breeding pair who had not yet spawned they accepted new incomers. Their acceptance of reinforcements in the form of immigrant fish suggests that that the egg predator was viewed as a threat.

Dr Zӧttl concluded: "This behaviour suggests that breeders of this species might be able to anticipate a potential threat and it seems to resemble the future planning evident in birds and apes."


'/>"/>

Contact: Genevieve Maul
gm349@admin.cam.ac.uk
44-012-237-65542
University of Cambridge
Source:Eurekalert

Page: 1 2

Related biology news :

1. Healthy seeds -- treated environmentally friendly
2. AERA announces publication of the International Handbook of Research on Environmental Education
3. New study highlights impact of environmental change on older people
4. Environmental threat map highlights Great Lakes restoration challenges
5. Farm soil determines environmental fate of phosphorous
6. Association of Environmental Engineering and Science Professors name Environmental Engineering Science as its official journal
7. Prickly holly reveals ability to adapt genetics to environmental change
8. Environmental chemical blocks cell function
9. Forest killer plant study explores rapid environmental change factors
10. Environmental activist David Suzuki is fifth recipient of CWRU’s Inamori Ethics Prize
11. Concern about plans to close unique Canadian environmental project
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:8/21/2014)... Juliane Mller the Fram Strait is a key region in ... passage between Greenland and Svalbard warm Atlantic water flows to ... side cold Arctic water masses and sea ice push their ... considerable portion of the Atlantic water cools here on its ... circulation of the water caused in this manner drives the ...
(Date:8/21/2014)... tube connectors, designed by an international standards process, will ... According to an invited review published in the OnlineFirst ... NCP ), the official journal of the American Society ... will greatly reduce the occurrence of misconnection that can ... connectors, which are used to join medical devices, components, ...
(Date:8/21/2014)... pancreas digesting itself resulting in severe abdominal pain, vomiting ... 20,000 patients are diagnosed with the disease resulting in ... is restricted to intravenous fluid and nutritional support. ... Sciences, who led the research, said "The major causes ... and excessive alcohol intake combined with a high fat ...
Breaking Biology News(10 mins):Arctic sea ice influenced force of the Gulf Stream 2Arctic sea ice influenced force of the Gulf Stream 3New feeding tube connectors will improve patient safety 2Insulin offers new hope for the treatment of acute pancreatitis 2
... 2009) As stroma the supportive framework of the prostate ... genes occur that induce the formation of new structures such as ... College of Medicine in a report that appears in the current ... this study, using special techniques and gene chips that allowed them ...
... Merck Irving S. Sigal Memorial Award is being presented ... Infectious Disease Initiative at the Broad Institute of MIT ... Medicine at Harvard Medical School. Sponsored by Merck Research ... presented in memory of Irving S. Sigal, who was ...
... technology - which makes plants significantly more resistant to ... US agricultural company Becker Underwood in collaboration with Plant ... with jasmonic acid - a chemical naturally produced by ... attack. But crops treated with the chemical don,t grow ...
Cached Biology News:Gene activity reveals dynamic stroma microenvironment in prostate cancer 2Gene activity reveals dynamic stroma microenvironment in prostate cancer 3Natural seed treatment could drastically cut pesticide use 2
(Date:8/22/2014)... Nanometre-scale gold particles are intensively investigated for ... biological contrast agents and components in photonics ... atomic-scale structures, fundamental for understanding physical and ... at Stanford University, USA, have demonstrated that ... reveal a three-dimensional structure in which all ...
(Date:8/22/2014)... Research and Markets has announced the addition ... Reagents (Cloning, Epigenetics, PCR, Restriction Digestion, Sequencing) Market - ... The global molecular biology enzymes market was ... to grow at a CAGR of 13.74% to reach ... reagents find applications in a large number of fields ...
(Date:8/22/2014)... Greenville, SC (PRWEB) August 22, 2014 ... that indisputable acknowledgement is a national disgrace. Furthermore, ... part in establishing the current, deplorable state of ... outlined "5 great mistakes," to merely serve as ... convey the extent of colossal failure(s) that have ...
(Date:8/21/2014)... team including DESY scientists has observed tiny quantum vortices ... in the journal Science that the exotic ... nanodroplets. It is the first time that the quantum ... of what is known as superfluid helium, have been ... expectations," says Andrey Vilesov of the University of Southern ...
Breaking Biology Technology:A breakthrough in imaging gold nanoparticles to atomic resolution by electron microscopy 2Global Molecular Biology Enzymes, Kits, & Reagents (Cloning, Epigenetics, PCR, Restriction Digestion, Sequencing) Market - Forecast to 2018 2Global Molecular Biology Enzymes, Kits, & Reagents (Cloning, Epigenetics, PCR, Restriction Digestion, Sequencing) Market - Forecast to 2018 35 Great Mistakes in Healthcare and How to Fix Them by Dr. Ira Williams 2Scientists observe quantum vortices in cold helium droplets 2
... Polytechnic Institute Professor James Jian-Qiang Lu was recognized ... toward the design and realization of 3-D integrated ... Department of Electrical, Computer, and Systems Engineering (ECSE) ... D. Ashman Achievement Award for 2010 from the ...
... Intarcia Therapeutics. Inc today announced that Kurt ... presenting at the Lazard Capital Markets 7th Annual ... Tuesday, November 16, 2010 at 1:40pm local time ... (Logo:   http://photos.prnewswire.com/prnh/20050301/SFTU126LOGO ) ...
... 11, 2010 StemCyte, Inc., one of the world,s ... is proud to announce that the Company has been ... Internal Revenue Service,s Qualifying Therapeutic Discovery Project (QTDP) program ... than 250 employees. The Patient Protection and ...
Cached Biology Technology:Rensselaer Polytechnic Institute professor James Lu garners award for research on 3-D computer chips 2Intarcia Therapeutics Executive Chairman, Kurt Graves to Present at Lazard Capital Markets 7th Annual Healthcare Conference 2StemCyte Awarded $488,950 for Advanced Therapeutic Applications of Umbilical Cord Blood Stem Cells from the Qualifying Therapeutic Discovery Project (QTDP) 2
...
... Series 4000 incorporates the critical design features ... in biomarker research. The Series 4000 delivers ... converting biomarker discoveries to biomarker assays all ... is designed to fit into the research ...
The piston kit includes 2 pistons to service one F10 pump of a BioLogic DuoFlow workstation....
BD BioCoat Laminin 100 mm Culture Dishes, tissue-culture treated polystyrene with a uniform application of mouse laminin....
Biology Products: