Wow didn't expect them to be that aggressive. So pleco are actually pairing fish like most cichlids? Apart from gold nugget and phantoms, are there any specie that will do fine in a group?
For filtration I was thinking about using a pump that can pump 5000l/hour to filtration. Not sure if it will create a good flow though.
I have drafted some filtration design... maybe it could work. The idea is: - one end of the tank will have a glass panel or something to create a small chamber (probably onyl 10cm). - The pump that pump water from the filter chamber (external) to the tank will be at the other end hopefully create a good flow (not sure if 5000l/h is good flow) which will hopefully flow all debris to the other end. - The flow should be strong enough that when the flow hitting the other end glass, it will create a upward flow and push all debris up in the chamber and trapped in there instead of flowing back into the tank. - Airstone could be added here to create more upward lift as well as oxygenate - Overflow will be placed in this chamber and skim all debris float to the surface taking them to the filter chamber (external container)
===> not sure if it works. I think i will post my design for advise.
I want to take a next step in the hobby and start keeping Pleco as I have found a supplier in my country with a variety of Plecos.
I myself got a big tank too to get ready (1,7m x 0,5 x 0.6). I have done some readings so I think my tank size is pretty good for most pleco.
Now my concern is setting up... apparently it will be a fast flowing tank and I have no idea how to set up such thing as I've been more experienced in slow moving fish.
The basic idea I have is having a very strong pump to pump water from a filter canister back into the tank. But then my questions are: 1. do I have to place the pipe that pumping water back into the tank (input) at the bottom of the tank or at the middle to replicate stream-like environment? Also what is the expected l/hour for pleco environment?
2. How do I get a huge amount of water out of the tank at the same time? the DIY over flow system I always use works well but it's only good if to get rid of surface waste. Should I expect a lot of waste for a pleco tank (I don't want to drill the tank btw)
3. Does it has to be boulders? Will normal rocks hurt my pleco? Do they need driftwood?
4. If I use fine sand as substrate, wouldn't the stream like environment blow the sand all over?
5. Will any plants survive in such environment? Will there be any dither fish in such environment?