I've had 2 kribensis nor for about 3 months, they fought for a while before they paired up. Their colors got really pronounced and the females body went a real dark purple. They managed to dig a nest out under a hollow ornament so I cant see what they've been up to. Today their color has returned to normal and I was wondering if this means I'm going to be a daddy or something has gone wrong. They still swim around together and he defends the ornament like a fish possessed. Don't want to move the ornament just in case, any advice?