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Greetings:
I am planning to conduct a study of fish behavior in a 57,000 liter tank and am interested in comments on the best type of lighting to use for night observations. I've used IR in small tanks, but it is not adequate in such a large tank. I've also used red lights in smaller tanks but will probably have similar absorption problems in the larger tank, plus it is my understanding that fish can see in the red end of the spectrum. I've also heard that green lights can be used, but am unsure as to there effectiveness. One alternative is to use white lights at very low illumination and a low light sensitive camera. Can anyone advise me as to their experiences with different lighting? Needless to say, I'm trying to obtain observations of behavior with as little disturbance as possible.
Please email your response directly to me at the address below, and thanks in advance for your comments.
Rodney
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Rodney Rountree, Ph.D.
Adjunct Assistant Professor
Dept. Natural Resources Conservation
UMASS-Amherst
48 Oregon Rd.
Mashpee, MA 02649
(508) 477-5140
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http://www.capecod.net/~rrountree/index.htm
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