They eat frozen bloodworms,brine shrimp,mysis shrimp,tetra bits,HBH super soft sinking pellets,tetra flakes,krill. As you can see I feed my fish a variety. The answer to the Scats. There are a few different kinds of Scats with different coloration and markings. Mine is a Silver Scat. They have Ruby Scats,Green Scats,African Scats with stripes instead of spots. I feed my Scat Romaine lettuce,peas. Oh yeah I forgot, the Archer also eats crickets.