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Not necessarily true. One of the newer theories about evolution is that it happens in bursts that can occur surprisingly quickly and fundamental changes that can reproductively separate populations can occur in only a few generations. Colour changes and female preference can be a key driver of...
Sorry I don't have time to trawl Ebay for you but I got mine from a store called Aquatic Magic and it cost about £50 with postage. Disposable units use up the small canisters pretty quickly on anything but tiny tanks so I'd go with the fire extinguisher route. There's info on it on the UKAPS...
I have a JBL kit with solenoid and disposable CO2 canister but I'd get a better reg and solenoid pff Ebay and use a CO2 fire extinguisher instead - you won't need to refill anywhere near as often and I bet the cost will be about the same. I'm afraid I don't know the kits you listed.
If those...
For filter material I'd get some sintered glass media, the brand doesn't really matter IMHO. I've got JBL media from the internet as it was far cheaper than my LFS.
The powder type AS is very different from using normal sand - it is as light as the normal AS so won't settle down among the larger grains as quickly.
What type of clay pots do you have in Spain?
I haven't got a link but I just cut pieces from the side of an old lunch box and buried it so it sat just under the surface.
With the clay pots I either use pot drip trays or small pots on their side and make the hole in the base larger for the female to get in.
Ordinary gravel isn't the best for apistos to dig in. With sand they can take big moughtfuls and move it easily - gravel can be much trickier. AS is about the same size as medium gravel IME and while the fish can dig in it they don't seem to like doing it as much as in sand. It's not that you...
The main difference between the types is colour, although amazonia has a greater level of nutrients and affects the pH more when first used. They will all release ammonia when first wetted so make sure you don't have fish in the tank at the start.
When I've used AS with apistos I have always...
Any Ehiem Filter would be fine. I'd get the largest you can afford as you can't really overfilter and can always direct the flow against the tank wall to stop the fish getting blown about. I have a 2128 and it has been brilliant, but I would get a separate external heater rather than the built...
What's wrong with the current filter? You don't need lots of filtration with dwarfs as generally they need lower stocking levels. You'd be better off doing more frequent water changes with good water to improve the way the tank works IMHO.
What is the relevance of this to your point? BSE is a prion-based disease caused by feeding infected animal material to another animal - it has nothing at all to do with inbreeding and was inadvertently caused by a dubious, but theoretically sound idea to boost the protein level of the cow...
There will be! This will be a species I will definitely try again when I have a big enough softwater tank again as they were brilliant but my male just killed the female one day. Not a lot of aggression seen before, just a dead female one day and the male still trying to beat seven bells out her!
They'll need some substrate as digging is a big part of many cichlids breeding behavious and I can't see why you'd set up a breeding tank and then want something to eat the babies! Anyway I don't think the bristlenose will eat the babies.
Any commonly kept cichlids would be a good choice...
A 63l tank is about 2ft (60cm) long right? In that case then I really wouldn't add any more cichlids as they need their own territory. Adding more will mean they don't have enough space. A good guideline is that a cichlid pair needs around 10 times the male's length of territory. So a 2.5"...
Good clean water will be fine and he should heal quickly. I do like to treat any badly mauled fish with Melafix too but I'm not sure it's necessary - I've just found that fish seem to heal quicker when I've used it.