News tagged with female fish
Sexual harassment from males prevents female bonding, says study
Apr 22, 2009 |
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(PhysOrg.com) -- The extent to which sexual harassment from males can damage relationships between females is revealed in a new study. Led by the Centre for Research in Animal Behaviour at the University of ...
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Infidelity produces faster sperms
Biology /
Jan 20, 2009 |
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Until now, it has been difficult to prove that fast-swimming sperms have an advantage when it comes to fertilizing an egg. But now a research team at Uppsala University can demonstrate that unfaithful females of the cichlid ...
For fish, bigger doesn’t always mean healthier
Nov 17, 2009 |
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(PhysOrg.com) -- Female smallmouth bass tend to prefer bigger male mates, but bigger doesn’t necessarily mean healthier. That’s the finding of a new study in the latest issue of Physiological and Biochemical Zoology that i ...
Fish cancer gene linked to pigment pattern that attracts mates
Biology /
Aug 18, 2008 |
5 / 5 (1) |
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Though skin cancer is deadly to male fish, it also has one perk: The black melanoma splotches arise from attractive natural markings that lure female mates. A new study published in the Proceedings of the National Academy of ...
Researchers improve zebrafish cloning methods
Aug 30, 2009 |
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A team of Michigan State University researchers has developed a new, more efficient way of cloning zebra fish, a breakthrough that could have implications for human health research.
Gene in male fish lures females into sex
Biology /
Nov 15, 2007 |
4.7 / 5 (6) |
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A gene has been found in male cichlid fish that evolved to lure female fish so that male cichlids can deposit sperm in the females mouths. A study in the online open access journal BMC Biology reveals that ...
Ocean Fish Farming Harms Wild Fish, Study Says
Biology /
Dec 15, 2008 |
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Farming of fish in ocean cages is fundamentally harmful to wild fish, according to an essay in this week's Conservation Biology.
Evolution of a contraceptive for sea lamprey
Jun 25, 2009 |
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(PhysOrg.com) -- In addition to providing fundamental insights into the early evolution of the estrogen receptor, research by a team at the University of California, San Diego School of Medicine may lead to ...
Estrogen linked to lowered immunity in fish
Jun 03, 2009 |
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Exposure to estrogen reduces production of immune-related proteins in fish. This suggests that certain compounds, known as endocrine disruptors, may make fish more susceptible to disease.
No Asian carp found yet in Ill. fish kill
Dec 03, 2009 |
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(AP) -- No Asian carp have been spotted so far in a Chicago canal during a massive fish kill aimed at trying to keep the giant fish out of the Great Lakes.
Females decide whether ambitious males float or flounder
Biology /
Jan 30, 2008 |
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Aggression, testosterone and nepotism don’t necessarily help one climb the social ladder, but the support of a good female can, according to new research on the social habits of an unusual African species of fish.
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