P phillydog1958 Jack Dempsey MFK Member Jul 11, 2009 2,673 3 38 Wichita, KS by way of Philly, PA (Originally from Jun 10, 2010 #31 They swim like bats fly -- very erratic. I think they're literally blind and use eletrical impulses, similar to how bats use sonar.
They swim like bats fly -- very erratic. I think they're literally blind and use eletrical impulses, similar to how bats use sonar.
D dark_knights_99 Feeder Fish MFK Member Nov 20, 2006 1,138 1 0 Philippines Jun 13, 2010 #32 i have to vote for good. if you look at it, everytime they sense light, they go on hiding, because they are nocturnal. they are not like those blind cave tetras.
i have to vote for good. if you look at it, everytime they sense light, they go on hiding, because they are nocturnal. they are not like those blind cave tetras.