MadSci Network: Biophysics
Query:

Subject: Do slow moving fish swim more efficiently than fish who swim really fast?

Date: Thu Dec 17 11:13:08 2009
Posted by No name entered.
Grade level: grad (science) School: No school entered.
City: No city entered. State/Province: No state entered. Country: U.S.A
Area of science: Biophysics
ID: 1261073588.Bp
Message:

I was thinking about fish and other animals that swim by producing a traveling
wave. Tuna fish swim very fast and need to overcome vortexes they create,so it
seems to me that,when considering the power expended versus speed efficiency
ratio of fish,fast swimming ones and slow moving ones,who are are of equal size
and produce traveling waves that are equal except for speed,the fast moving fish
suffer when compared to the slow moving fish.If represented graphically, speed
would be the x axis and power expended to reach that speed would be the y
axis.The points plotted would be efficiency of the fish's movement,and the curve
be exponential,although there would be drop off after a while.I think. Am I
right? How would that graph look? I'd file this under biomechanics or maybe
fluid dynamics, but I couldn't find either listed as a area of science.
Biomechanics even came up as a misspelling.I just put other.Do slow moving fish
swim more efficiently than fish who swim really fast? Thank you.
          


Re: Do slow moving fish swim more efficiently than fish who swim really fast?

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