WhistlingBadger
Professional Cat Herder
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Have you kept them? What group size did you keep, and how much space did they have?If you mean Green Barbs (Barbodes semifasciolatus) they’d be best in a group of 8-10 or more. A lot of people still say shoaling fish are fine in numbers that are too small. These people don’t think about the welfare of the fish involved.
Yeah, they do get quite big. According to AqAdvisor, I have plenty of room to keep 8 or 10 of them. So I'm mostly just curious. I know well the peril of taking pet store employees at their word about fish numbers (or anything else), but TWS is much more reliable than your ordinary big box pet store, so I'm curious if anybody on here has experienced them in smaller numbers.One of my LFS has 2 of the gold strain adults in at the moment and they are super chonky! Really big fish, much bigger than I'd have imagined. Really nice though.
Wills
"They won't suffer visibly in a group of 6 (which is why people say it's fine)." I find statements like this rather frustrating, because it seems to imply that, even though the fish appear healthy, active, and unstressed, we know they really are suffering. But really, isn't a fish's appearance and behavior all we have to do on? How do you know they're suffering if they aren't suffering visibly? In my experience, the fish ain't talking, so appearance and behavior are all I have to go on. I don't mean any of that as an attack on you, Ichthys, and I appreciate your insight. But could you clarify what you mean? If they aren't suffering visibly, is there a reason to assume they are suffering invisibly?I’ve had Golds once, in a 3ft, and Greens twice, in a 4ft and a 6ft. They’re the same fish to keep, just different colours. The Golds, I had about 6ish, in my very early days of fishkeeping, in a 3ft tank with too many tankmates. They won’t suffer visibly in a group of 6 (which is why people say it’s fine). Greens came later, about a dozen-ish, with much more space.
I know them as very peaceful and easy going. They don’t run about much as a tight group (unless there’s a reason to) but pretty much do their own thing with the others nearby. They’re kinda like miniature goldfish.
A store that sells fish won’t tell you “no, 6 isn’t enough, you need at least 10”... because most people either won’t have the space or won’t want that many of one fish. It can be business suicide if a store tells everyone that, because it applies to all fish that live in groups. The more the happier, which is bad for business in this hobby with so many species available.
“Can I have 6 of these, 6 of those and 6 of those?”
“Yes because we have rent and wages and a huge electricity bill to pay and we can’t afford not to sell you them”. That’s how it is for most shops.
I bet a school of sixteen looks absolutely amazing. Are they a lot more active in a bigger group? Seems like a 29 gallon would be pretty cramped.I had a slew of gold barbs (6ish) in a 29 gallon tank way back when I was newer to the hobby and didn't know better.
I now have 16 in my 125 gallon. They are very happy in that group size. They can get big, the biggest one I remember in my 29 gallon was a little over 3 in. The ones that I have now haven't gotten that big yet. They are very active and beautiful, but I've never come across the wild green just the gold.
Well I had about 6 in the 29, and this was 35+ years ago. They didn't have anything in the water column as I had some Cory in the tanks with them. They seemed OK as I remember the males developed some beautiful red coloration as they matured."They won't suffer visibly in a group of 6 (which is why people say it's fine)." I find statements like this rather frustrating, because it seems to imply that, even though the fish appear healthy, active, and unstressed, we know they really are suffering. But really, isn't a fish's appearance and behavior all we have to do on? How do you know they're suffering if they aren't suffering visibly? In my experience, the fish ain't talking, so appearance and behavior are all I have to go on. I don't mean any of that as an attack on you, Ichthys, and I appreciate your insight. But could you clarify what you mean? If they aren't suffering visibly, is there a reason to assume they are suffering invisibly?
Your insight about fish stores is right on the money for most situations, and it made me laugh. In my case though, the guy had already made the sale; we were talking about odessas vs. green barbs, and he was going to actually make less money if I bought the greens. We were just two fish keepers sharing our experiences, and he mentioned that the green barbs seems friendlier and more comfortable in small numbers than most other barbs. So, there's no need to judge his motives. He was just sharing an observation, and I was wondering if others had observed the same thing.
I bet a school of sixteen looks absolutely amazing. Are they a lot more active in a bigger group? Seems like a 29 gallon would be pretty cramped.
Yeah, I can buy that.I didn’t read it as an attack, I read it as you going down the same thought path I went down when I was writing it. “They won’t suffer visibly” doesn’t make much sense. If we can tell when they’re stressed, then if they look unstressed why assume they’re still stressed? If they were they would look stressed...
I guess it’s my ongoing need to try to persuade everyone to have bigger numbers and fewer species.
I wrote it because my experience tells me that when you increase numbers (as long as there’s enough space) you get different behaviour. Bold, active shoalers become more active, defensive shoalers become more ‘secure’, and more outgoing as a result. With experience you can tell. So I’ll change my answer to 6 Barbs in a ‘nice’ tank with nobody bothering them is presumably fine, and more is even better.