I was told one thing at the LFS...(phytoplankton in water and good lights)
And then I searched on This forum (occasional feeding, small peices krill/squid and lights)
I've been feeding 1/2 hr after lights out...Tiny little peice...spot feed near mouth...tentecals pull in toward mouth...mouth opens...engulfs food...retracts...takes about an hour.
Next day that section looks "fuller" and overall color and shape has improved...
Only had him three weeks...four feedings...Maybe he was "starved' when I got him? Looks better now.