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question about dwarf puffers

1663 Views 2 Replies 2 Participants Last post by  squiggles1
i recently got a male and female dwarf puffer, i've never had them b4. i had a gsp but he was sick when we got him (a different girl that worked there told us a week after we got him). but from what i've read these little guys are fish killer for sure! I have them in my 30g tank with neons, tetra, swords, and other fish like that. These guys are small, the male maybe a bit over 1cm and the female no bigger then 1 cm. Now my question is how old are they before they get really aggresive? They haven't bothered anybody else yet, been there for a week i think. The female pretty much stays in a low bushy type plant we have and the male explores but doesn't seem to care about the other fish. They sometimes swim together but not always. There's lots of plants and a huge piece of drifwood in the tank. Also some bigger rocks. How long do you think it will be before I have to have their own tank ready? And maybe life span of these guys and breeding tips, just for info, no real plans.
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1. They won't become overly aggressive until they are sexually mature so you should have some time. They may still nip fins on occassion however so watch out for heavy nipping. Females could theoretically be kept in a community setting for quite some time as they are not very aggressive. Be sure they are eating properly and they will grow fast. I'd say you probably have a month. The male will become aggressive sooner once he stakes out a territory. Rearranging things on him often will help stop his agression

2. I've heard of them living in the range of 5-7 years. The lifespan drastically decreases if kept in brackish or salt water although they will tolerate it to a degree. They should be kept in fresh water only.

3. The main breeding tip is to use a lot of java moss along the bottom of the tank. The puffers are very difficult if not outright impossible to breed without it. They won't lay eggs in anything but moss. Water parameters are not very important assuming you avoid extremes. The only truly important water parameter when dealing with dwarf puffers is (aside from ammonia and nitrite which is toxic to everything) nitrates. Keep them low with regular water changes and they'll spawn for you. Spawns tend to be small at < 30 per spawn.
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