Featured Research

from universities, journals, and other organizations

Male Stickleback Fish Masquerading In Murky Waters

Date:
July 22, 2007
Source:
University of Chicago Press Journals
Summary:
Where humans lower water quality, poor quality stickleback male fish trick unsuspecting females. An increase in nutrient input in the Baltic is compromising water clarity by promoting algal blooms. Under reduced visibility caused by the presence of algae, poor quality males are able to lie about their physical condition, which is bad for the females. Poor quality males are more likely to eat the eggs that they're supposed to be tending.

Where humans lower water quality, poor quality stickleback male fish trick unsuspecting females.

Related Articles


Finding a decent, honest mate is challenging enough without the added problem of reduced visibility caused by human-induced changes to the aquatic environment. Yet this is precisely the sort of dilemma female stickleback fish are facing in the Baltic Sea, according to a recent study published in the August issue of the American Naturalist by Dr. Bob Wong, an Australian researcher from Monash University, and his Scandinavian colleagues, Dr. Ulrika Candolin from the University of Uppsala and Dr. Kai Linstrom from the ลbo Akademi in Finland.

An increase in nutrient input in the Baltic is compromising water clarity by promoting algal blooms. Dr. Wong and his colleagues were interested in finding out whether this, in turn, might lead to a break down in the honesty of sexual displays used by male sticklebacks to attract females. They did so by examining the courtship effort of good and poor condition males in the absence and presence of a rival male in both clear sea water and water rendered turbid by algae.

"Under reduced visibility caused by the presence of algae, poor quality males are able to lie about their physical condition to unsuspecting females by displaying at a higher rate without the risk of attracting the wrath of rival males," says Dr. Wong. "Since poor condition males are also more likely to eat the eggs that they're suppose to be tending, this is bad news for females who rely on the honesty of male sexual displays to select mates with superior parental qualities."

Reference: Bob B. M. Wong, Ulrika Candolin, and Kai Lindstr๖m, "Environmental deterioration compromises socially enforced signals of male quality in three-spined sticklebacks" The American Naturalist (2007), volume 170:184--189 DOI: 10.1086/519398


Story Source:

The above story is based on materials provided by University of Chicago Press Journals. Note: Materials may be edited for content and length.


Cite This Page:

University of Chicago Press Journals. "Male Stickleback Fish Masquerading In Murky Waters." ScienceDaily. ScienceDaily, 22 July 2007. <www.sciencedaily.com/releases/2007/07/070719093326.htm>.
University of Chicago Press Journals. (2007, July 22). Male Stickleback Fish Masquerading In Murky Waters. ScienceDaily. Retrieved March 31, 2015 from www.sciencedaily.com/releases/2007/07/070719093326.htm
University of Chicago Press Journals. "Male Stickleback Fish Masquerading In Murky Waters." ScienceDaily. www.sciencedaily.com/releases/2007/07/070719093326.htm (accessed March 31, 2015).

Share This


More From ScienceDaily



More Earth & Climate News

Tuesday, March 31, 2015

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

You Won't Be Driving Tesla's Mystery Product

You Won't Be Driving Tesla's Mystery Product

Newsy (Mar. 30, 2015) — Tesla CEO Elon Musk announced a new product line will debut April 30, but it&apos;s not a car. Video provided by Newsy
Powered by NewsLook.com
Solar Impulse Departs Myanmar for China

Solar Impulse Departs Myanmar for China

AFP (Mar. 30, 2015) — Solar Impulse 2 takes off from Myanmar&apos;s second biggest city of Mandalay and heads for China&apos;s Chongqing, the fifth flight of a landmark journey to circumnavigate the globe powered solely by the sun. Duration: 00:42 Video provided by AFP
Powered by NewsLook.com
Colombian Project Transforms Old Tires Into Green Housing

Colombian Project Transforms Old Tires Into Green Housing

AFP (Mar. 30, 2015) — To put a roof over their heads and help the environment, residents near Bogota are building houses out of recycled bottles and old tires. Duration: 01:10 Video provided by AFP
Powered by NewsLook.com
The Future Of Japanese Whaling: Heritage Vs. Conservation

The Future Of Japanese Whaling: Heritage Vs. Conservation

Newsy (Mar. 30, 2015) — In 2014, the International Court of Justice ruled Japan could no longer engage in whaling in the Antarctic, but Japan has plans to return this year. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
 
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:  

Breaking News:

Strange & Offbeat Stories

 

Plants & Animals

Earth & Climate

Fossils & Ruins

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:  

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile iPhone Android Web
Follow Facebook Twitter Google+
Subscribe RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins