As said before, food is an important part and often people over-fed. Sadly catfish get caught out from being under feeding. Every fish in an aquarium eats flakes and no one I have have met has not used flakes. No harm in that, however if the right amount of flakes is used to not over feed fish, very little sinks to the bottom. Hence catfish and other low level fish eat very little. There is a variety of food for catfish such as pellets, which sink immediately, however again keep remembering over feeding and do not supply too many. One other word of caution is their barbels. Those are used to locate food therefore when the catfish is swimming the barbels will be moving in and out of the gravel. If the gravel is sharp, the barbels will be damaged. Round stones and sand are fine but if you are using any other form of gravel, check it to make sure the catfish's barbels will not be cut. As you will read about below, many catfish can survive on atmospheric air and often they quickly run to the surface and at the same speed, swim to the bottom.
Bristlenose Catfish (Ancistrus temminckii) sticks itself to any object and obviously the glass of a tank. In the wild they come from the Amazon basin and grow to 12.5cm (5"). They are good in numbers, however the males can be territorial. As herbivorous, they eat algae, cucumbers and other forms including bogwood. Males have barbels whereas females seem not to. Breeding is easy.
Often I re-arrange tanks and in this case I decided to move fish from one tank to another. Before doing so, the tank, that the fish were going to be added to, needed cleaning. I therefore poured some of the water from the tank into a bucket and then placed the fish into the bucket. After the tank was clean, 50% of the water from the tank and 50% clean water were added and then wait for the temperature to be at the correct setting. Once done, the fish were added. The next day the fish were checked to see if they were all right. Sadly one was missing! Unknown as to where it was, I looked at items used in the clean up. I picked up a wet towel and there he was. After putting him into the tank, he took several minutes and then swam away. As far as hours, it would be close to 15 hours within the towel. Due to its wetness, he survived and a few years later, he died.
Bronze Corydoras (Corydoras aenus) is suitable in a community tank and are best kept together with any Corydoras. Their natural habitat is Brazil, Peru and other countries in South America. The size, in wild, is just less than 7.5cm (3"). They tend not too uproots plants but are constantly looking for food. A number of variants include sailfin and albinos and all of them are keen to breed.
Like all Corydoras, males Peppered Corydoras (Corydoras paleatus) are slimmer and more pointed anal fins than females. Its size is the same as the Bronze Cory but they are mainly found in Brazil. Albinos are about, but no idea which version they are!
Without a common name, its scientific name is Pterygoplichthys multiradiatus. Sadly the one I had did not survive more than a few months. I am not entirely aware of the problem and equally not a great deal about them. I understand they grow to a large degree and would have been the largest fish I could have had. I am aware that they stick to objects and are herbivores. Needless to say algae, cucumber, peas and other green vegetables are eaten.
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