Are all fire lines compatablility?

[Big Gunns]

Wondering if all fire lines are compatible and will make BEL's when crossed?

I heard mention that some lines might not be compatible, and since I want to breed my fire male at some point I wanted to make sure this was or wasn't the case.

There are people that claim they have a Fire, but may not....it just looks like one. If you buy one, make sure you ask if it's from a proven line.