mattrox
Aquarium Advice Addict
Mbuna have incredible popultion densities in and amongst the rocks in the wild. Mbuna in lightly stocked tanks hide, a lack of fish may indicate that predators are around and to be careful.
I'll post some youtube vids so you can see.
http://www.youtube.com/v/1bb7q3L7uVM
Excuse the kitch sound effects in this one.
Check out how the cichlids gather to feed. (At the 2min40sec mark)
http://www.youtube.com/v/lgK2hooz44g
Clearly the whole lake is not this heavily stocked, but when fish gather they feel safer in numbers.
This is why some people prefer to run large sumps for filtration. This increases the effective volume of the tank, therefore the nitrates are more dilute than with just canisters.
I'll post some youtube vids so you can see.
http://www.youtube.com/v/1bb7q3L7uVM
Excuse the kitch sound effects in this one.
Check out how the cichlids gather to feed. (At the 2min40sec mark)
http://www.youtube.com/v/lgK2hooz44g
Clearly the whole lake is not this heavily stocked, but when fish gather they feel safer in numbers.
This is why some people prefer to run large sumps for filtration. This increases the effective volume of the tank, therefore the nitrates are more dilute than with just canisters.