Hi I found some for sale for 100 bucks. I just don't know how to take care of them. There aren't any care sheets. One website told me that it can grow to 18 inches and one told me it can grow to 30 inches. Anybody have one of these?? any experts?? i have a 75 gallon with four 5 inch bichirs. Will they cohab?? i don't want any injuries for any of my fish. Can the loach live in a 75 for life?? what do they eat and what temperature?? Can anyone post a complete caresheet?? are they aggresive?? are they hard to keep?