Channa Marulioides blue variant?

[Snakehead7]

Hi guys, I had just upgraded Bandy’s Tank to a 3 feet 50 gallon tank. And I just recently discovered some blueish colour on him. Is he a blue variant?

 

[Chicxulub]

Moved to snakeheads

 

[kno4te]

Madou

 

[Madou]

Honestly don't know. I don't believe I'd ever heard of blue marulioides.
I did notice the same kind of color in a manacapuru angelfish a week after I changed lights.

 

[Snakehead7]

What about this fella?

 

[Adm1ral]

There are three phases of mutation of the channa itself (wc)
1. Bluish dorsal/upper fin looks bluish (this is the beginning of the blue maru label)
2. Chocolate (dust version)
3. The yellow color depends on where, if from Kalimantan, the mutation is usually more orange because of the low pH.