Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A small Japanese fish (Oryzias latipes) that is commonly found in rice paddies and is often used in biological research or in stocking aquariums.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A small Japanese
ricefish , popular for use inaquariums .
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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But while the zebrafish genome has changed considerably since it diverged from the last common ancestor some 320 million years ago, the scientists found the medaka genome has remained remarkably unchanged for approximately 300 million years.
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Japanese scientists have sequenced the genome of the medaka fish Oryzias latipes — a popular pet in Japan and an often-used organism in the laboratory.
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The new study suggests the last common ancestor of medaka, pufferfish and zebrafish experienced eight major rearrangements between chromosomes within just 50 million years of that event.
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The dailykos article medaka 25 points to is really not conclusive.
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May 12th, 2006 at 8:24 am medaka 6 – It does seem, lately, that a day without a scandal is like a day without sunshine, non?
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Otocephala while fugu, tetraodon, medaka, and stickleback belong to
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Finally, Ugt5h is absent in zebrafish and medaka but present as single copies in the fugu, tetraodon, and stickleback genomes.
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(B) Phylogenetic tree of the zebrafish (z), fugu (f), medaka
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WASHINGTON - Researchers from University of Konstanz, Germany and the University of Tokyo have found a genetic mutation that gives medaka fish its grey colour, rendering them less attractive to the colourful members of the opposite sex.
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Interestingly, we found that, in the medaka and stickleback genomes, the
hernesheir commented on the word medaka
It's a fish of the rice paddies in Japan.
January 2, 2012