All designer fish are gentically weaker. Breeders of flowerhorn do not focus on disease resistance or overall vigor when attempting to wow the world with their latest greatest new strain of fish. The same could be said for a number of
designer fish where the latest new colors, patterns, fin length, nuchal hump size, etc. are what is driving the market.
In flowerhorns this has caused a major decline in overall vigor, and lifespan, where now a days you're lucky if an Asian bred flowerhorn from Thailand, Taiwan, or Vietnam will live past 3 or 4 years. The same could be said for some of the newer strains of discus, Water.
IMO the $120 price tag is very fair, locally, or not. It looks to be a very nice kamfa with great potential.