09-18-2008, 02:49 PM
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Do you mean the golden wonders specifically? I can share a bit of info:
They get about 4 to 4.5 inches long. The males are a darker yellow in color with more red on the fins, while the females are more of a pale gold. You should stock them like livebearers, with a couple females to every male. I didn't follow this rule exactly and have just a pair, but the male doesn't bother her *too* often and normally they swim together as a pair. Even though they're fairly big fish, they can be kept in pretty small tanks. I've heard you can keep a pair of adult golden wonders in something as small as 5.5 gallons, but I personally wouldn't feel comfortable in less than 10g. pH around neutral is fine as they're easily adaptable to most water conditions and generally pretty hardy. They're known to be jumpers (I can attest to this, as they can jump pretty good at meal times). Most sources of information I've found say that they prefer lower temperatures than most tropical fish (room temp is fine). However, I break this rule as well since I have them in a community tank. I'm also a little skeptical about the rule, since the fish come from waters that contain other fish that are definitely tropical. Personally, I think this information comes from people with breeding operations as lower temps slow metabolism and can thus prolong life. Also, increasing the temp to regular tropical temps induces breeding, so it would be handy for breeders to have that option available. Mine do just great at tropical temperatures and have very vibrant color (even compared to pictures I've seen on the internet). One last thing: they're *very* predatory fish and will eat anything small enough to fit in their rather large mouths. Mine eat livebearer fry like crazy and I wouldn't even trust them with larger guppies. They love any sort of bug you toss in the tank, too. They'll eat just about any kind of prepared or frozen food.