Leucism simply means an animal that has reduced pigmentation…
 
Technically, all Albinos are Leucistic but not all Leucistics are not Albino… the same way all Poodles are Dogs but not all Dogs are Poodles…
 
Albinos have absolutely no melanin… Leucistics have reduced pigmentation and melanin is one of several forms of pigmentation that may be affected… Leucism can also only affect a portion of the cells resulting in “white spots” or “white areas” of an animal…
 
I admit I’ve seen many areas that apply this/these terms a little differently, but this is how science defines them…
 
 
“Platinum Oscar” is a generic term that has no true definition… yet there are a few forms of fish that could fall under this general description. Some may be a true “morph”, others may be a simple line bred trait, while others may be a temporary stage…