T1KARMANN;1315698; said:that would mean black and jar aros dont jump and smash the cover glasses
oh but they can and do.
think of it this way folks.
silver arowanas have a genetic predisposition for drop eye.
is that what causes it? no.
then what causes it? no one to date knows that answer.
I supose with the looking down theory you would assume that blacks, jars and asians don't look down, no you wouldn't would you?