Non-gold fish resulting from crossings with red spotted golds are not ambiguous in their sexing. And I would bet money that “red spotted greens” are not red spotted gold crosses. There are tons of “green” Heros efasciatus both wild and in the hobby that have red or black spotting.
Also, sellers don’t always know what they’re selling. If all someone knows about the fish is a trade name and not its origin, I would take what they say with a grain of salt. I’ve been breeding Heros, wild and domestic, described and undescribed, for 20 years. They will be sexable at 4”+ by facial markings.
You should also know that in some juvenile Heros, like notatus, even females will get black freckling on their faces. That’s why I say you have to wait until they start “puberty” and showing secondary sex characteristics, because both males and females can grow out of juvenile coloration and surprise you.
Also, sellers don’t always know what they’re selling. If all someone knows about the fish is a trade name and not its origin, I would take what they say with a grain of salt. I’ve been breeding Heros, wild and domestic, described and undescribed, for 20 years. They will be sexable at 4”+ by facial markings.
You should also know that in some juvenile Heros, like notatus, even females will get black freckling on their faces. That’s why I say you have to wait until they start “puberty” and showing secondary sex characteristics, because both males and females can grow out of juvenile coloration and surprise you.
