why top downs ?

simplycoral · #1 09-17-2009, 04:32 AM

Quote:

Originally Posted by BlueAbyss

I believe I have heard it is because the light comes from above, and so the pigments are more concentrated from that angle. Not sure where I heard this though, consider it conjecture.

+1

I have heard this too. Not sure where though

Maybe we shared the same dream

lobsterboy · #2 09-17-2009, 04:38 AM

Quote:

Originally Posted by fishytime

Its the way the light refracts through the glass.

Quote:

Originally Posted by BlueAbyss

I believe I have heard it is because the light comes from above, and so the pigments are more concentrated from that angle. Not sure where I heard this though, consider it conjecture.

both make sense.

whatcaneyedo · #3 09-17-2009, 05:24 AM

Quote:

Originally Posted by BlueAbyss

I believe I have heard it is because the light comes from above, and so the pigments are more concentrated from that angle. Not sure where I heard this though, consider it conjecture.

+2 I think it was mentioned in Giant Clams in the Sea and the Aquarium by Fatherree. But of course he was talking about clams and not coral in general.