Some Channa Marulioides var in Malaysia do comes in Orange color. The famous orange variant is from Terengganu of course but other states has their orange variant as well. One of the place that I've had the opportunity to explore is the sg. Dusun variant. They are found in the tributary along this river. I was there during 1991 - 1996. We had caught a number of orange and very bright yellow variant adult fish. The fingerlings of the dusun variant cannot be ID so don't waste your time chasing for this variant. Unless your source are incredibly reliable which is rare nowadays. The fingerling shows a strong golden hue when they're around 3". Then they change to a dull deep yellow/orange when around 6". Their finnage starts losing the batik and will eventually turned black. The adult fish display an impressive of color play from cream to yellow to orange according to thier mood. Recently I saw an orange marulioides being posted at facebook and I was ...
Fishiology - is a nonscientific study of fish, a branch of Aquarist