Ok, I'm new to fry as about 3 weeks ago I inherited a number of new fish, 3 red zebra, 2 ob zebras, 2 powder blue. they average about 3 1/2 to 4 inches. any way my 1 of the red zebra was holding. After putting her in a separate 10 gallon she spit by herself about a week later. The same day I returned her to the main tank. The fry are all free swimming and are doing well. Diet includes brine shrimp and hikari little bites. my question is the fry, about 21 of them, look white or pinkish with a little see through by their tails. can they be a hybrid or is that the way they look when new? they were spit 6 days ago.