Danio rerio

Brendan Keogh

AC Members
Jan 4, 2007
6
0
0
Ireland
Hi,

I was just curious about the night time behavior of Danio rerio's.When its lights out they all rise to just below the surface of the water,surely this is not a safety trait in the fish as they would be easily picked off by predators near the surface. Any Ideas.
 
AquariaCentral.com