Originally Posted by ViPeR_930
IMO a clown shouldn't be called an onyx unless it comes from an onyx lineage (genotype) and also shows the traits (phenotype). To me, the phenotype would have no orange between the first and second stripe, as well as the second and third. A black dorsal fin would be an extra bonus, but that's just a recessive trait. Juvenile onyx might develope these traits as they mature.
You know what I am thinking, it is probably a recessive trait, because I was looking at the True perculas that I have and they have black between the first two stripes, and the bigger one has a bunch of black between the first two stripes.