These bloody splotches and streaks are an indication of septicemia (bacterial infection throughout the bloodstream). Sorry, that I haven't been able to keep up with the thread but she needs aggressive antibiotic treatment - so kanamycin at double strength, or Maracyn-Two at 2 x normal dosage with plain Maracyn at 1.5 x normal dosage. Your poor baby's fins are really clamped. Sorry he's so sick.

Barb