Are you keeping them together? If so they'll interbreed and may revert back to brown--natural colors.
Swimming around frantically when first introduced to a new environment is normal, also may be a sign that they're hungry and hunting for more food. I'd drop another stick in if they ate it all.
Swimming around frantically when first introduced to a new environment is normal, also may be a sign that they're hungry and hunting for more food. I'd drop another stick in if they ate it all.