Quote:
Originally Posted by JHemdal
Since some aquatic animals spawn on a lunar cycle, it was mistakenly assumed that it was the moon light that caused this, when actually it is the tidal forces associated with the lunar cycle. Light or lack of light has nothing to do with it - what would happen to these spawning creatures if it was a cloudy night? So as lordofthereef and others said, just go with what color works for you.
Jay
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Interestingly, several scientists disagree with you:
"Although several environmental factors such as temperature, tidal periodicity, and day length have been suggested to influence larvae release in corals (Harrison et al. 1984; Babcock et al. 1986, 1994), this process appears to be triggered by the level of lunar irradiance (Harrison et al. 1984; Jokiel et al. 1985; Babcock et al. 1994)."
from
Gorbunov and Falkowski. Photoreceptors in the Cnidarian Hosts Allow Symbiotic Corals to Sense Blue Moonlight. Limnology and oceanography (2002)
Actually, taking a cursory look at literature, it seems that different corals species have very different cues for spawning or larvae release and the same species might display different behavior in different localities.
I think it is still worthwhile to simulate lunar cycles. Of course some products on market that are simply blue lights and do not alter the intensity according to moon phases are completely useless in this regard
