bottom feeders

My friend works at a local museum that sells hermit crabs and various other small pets and this thing came with a shipment of other animals. She told me that I can have it for my tank, which currently only has some snails that came with previous aquatic plants from Petco. I'm not sure how to...

What would be best bottom feeders to have in a sand base tank with tetras in it. I got 2 brinknose plecos right now. What would work good with them to eat left over food and such on tank floor. And looking at planting dwarf hairgrass or whatever its called. Woul they eat food stuck inside the...

Does anyone out there have any tricks to catch these fish post here an if u can show pics of your progress. It has to be something that works every time BTW I do have a fully planted tank much like a Dutch aqua scape?

I have two African Dwarf Frogs in a 10 gallon tank and they leave a lot of blood worms and flakes left over (mainly because they can't find them) on the bottom. I wanted to get a plecostomus eventually, but I find they ignore a lot of the "leftovers" when I've had them before, so I was thinking...