I have 4 lovely albino (golden) pristella tetras that were added this past Saturday (will be adding 4 more in 2 weeks). They are all active and appear comfortable in my 75 gal, not schooling tightly but roaming all over the tank, interacting with my other fish (7 neon dwarf rainbows and 5 scissortail rasboras).

When I feed, they stay at the bottom or mid tank, seeming to look for the food there. Is this species more comfortable eating sinking food vs food that floats at the top? I am concerned that they haven't eaten, except for the little bit that sinks. I feed Omega One color flakes and freeze dried daphnia every other day.

Water parameters are 0 ammonia, 0 nitrites, 10 nitrates, pH 7.4, temp 77.0.

Opinions please.