I love bottom feeders, I think they tend to have more personality. I was wondering about a possible setup. What if you did a sort of upside down planted look: only floating plants, and sand on the bottom. Probably a piece of driftwood to, but other than that just open, sandy bottom. The reason I'm wondering is because I want a planted tank with kuhlis, cories, and some other bottom fish, but I know I'll never see them. So, I'm wondering, If most of the hiding space was from the middle up, would it encourage them to hang out there, and perch in the plants? I'm imagining kuhlis and cories laying on big leaves and hiding among the tangles of hornwort. They could still be on the bottom, but I wouldn't loose them and they'd spread out to the other levels. So, just wondering. What do you think?
They probably wouldn't venture up to perch on the plants. You could create forward facing caves, hollows, etc, so that they would have their cover on the bottom and still be visible.
I was imagining a really big bunch of plants like anacharis or hornwort, that would start only 4 or 5 inches from the ground. Not just at the very surface, so it wouldn't be terribly far to swim. I hear kuhlis like to hang from plants, and cories like to lay on them.
Kuhlies will lay on plants in the midwater and driftwood, too. Even in a decently planted tank you'd still see these guys pretty often provided they feel safe. I've noticed mine are more active now that I have some midwater fish in the tank. I'm not saying they need dither fish, but it has helped mine be more visible. But they still spend the majority of their time on the bottom, even with ample hiding spots in the midwater and above.
Personally, I'd still say put some plants on the bottom. Maybe some low-light small plants like Anubias nana or some of the smaller crypts. My kuhlies don't so much bury themselves as wrap themselves around things on the substrate like rocks and plants. The crypts are their favorite plant to play in.
My younger Cories sit on plant leaves that are many inches off the ground but I cant say I have seen large full grown Cories doing this. I am sure that there are species that would be more likely... the dwarf species C. pygmaeus would be a good bet. http://www.google.com/search?hl=en&...a=X&ei=5g4XUaiaHZDy9gSijYD4DA&ved=0CCwQvwUoAA
Corys occur in a natural habitat with a sand substrate that is littered with branches, sunken logs and leaves. This can vary depending upon the species' stream, but it is generally the case. Very few occur in planted water courses, meaning streams with aquatic plants; marginal and overhanging vegetation is more common.
Not providing the fish with what they are programmed to need is going to cause them stress, and that leads to health problems. Corys are by nature somewhat skittish; they have a basic fear response that normally begins with becoming "frozen," and then rapidly scurrying away for cover. If you want the fish to be relaxed and healthy, make sure they have what they expect.
Corys occur in a natural habitat with a sand substrate that is littered with branches, sunken logs and leaves. This can vary depending upon the species' stream, but it is generally the case. Very few occur in planted water courses, meaning streams with aquatic plants; marginal and overhanging vegetation is more common.
Byron.
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