Can anyone give me a guesstimate on how old these rainbows are? I’ve had them for a couple months and they started coloring up about 3 weeks ago. I’ve been impatiently waiting on eggs but haven’t seen any. I don’t know exactly how old they are. The person I bought them from said they had them for a couple months before I got them. I haven’t seen any spawning activity or any interest between the males and females yet.