I agree, but you do that for all fish, even P's and cichlids. It allows for the greater exchange of oxygen if there's some surface above the waterline allowed for that exchange.Polypterus said:To be on the safe side I would always allow
access to atmospheric air, Kissing gourami are less dependent
on "air" then say a Croaking or Dwarf gourami, but they do
require it to some degree.