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This page will give a completely detailed profile of the selected fish, from A to Z. The profiled fish will be chosen randomly by Badman, and will come from the complete genre of tropical fish. New profiles are added on a regular basis. If you would like to submit a profile for the site please contact me. Don't forget to let us know you experiences with this fish by filling out the

South America


Bronze catfish

Corydoras aeneus


    The bronze catfish is an old standby by in the aquarium trade. Widely available and reasonably priced he makes a fine addition to your clean up crew. Best kept in schools they are peaceful and attractive in their own way.

Quick stats:


    Listed tank sizes are the minimum
    Size: Up to 3" (8cm)
    Tank: 20 inches
    Strata: Bottom
    PH: 5.8 to 7.8
    Hardness: Soft to medium. dH range: 2.0 - 25.0
    Temperature: 72°F to 84°F (22-29°C)


    Class: Osteichthyes
    Sub Class: Actinopterygii
    Order: Siluriformes
    Family: Callichthyidae
    Genera: corydoras

Common name

    Bronze Catfish, Aeneus Catfish

Image gallery:
    Additional species photographs


    Badmans' Forum


    Venezuela and Trinidad in the North ranging to the La Plata river basin in the South.

General Body Form
    Typical for the genus, The lateral armor consists of 21 to 23 upper and 19 to 21 lower bony plates. The upper jaw barbels extend almost to the gill slits. They can reach a length of about three inches.

    The central area of each side is darker than the rest and extends to the beginning of the Caudal fin. The basic ground color is pale brown to a brownish Yellow. The head and side areas have a metallic sheen to them which appears green, copper or a Golden color depending on the light and angle of viewing.

    Most species of Corydoras will tolerate a wide range of variations in temperature, pH and hardness. As a general rule they will do fine if kept within the following ranges, Temperature: 72o to 79o , pH:6.2 to 7.8 and a dH of 4o to 25o. The tank can be decorated with driftwood and a few live plants, soft sandy substrate is essential to prevent damage to the barbals. The water should be well aerated and filtered and changed at regular intervals. The Armored catfish are Omnivorous and should be fed a varied diet. Do not simply rely on uneaten food on the bottom as there only source of food.

    Sexually mature specimens are easy to tell apart, the females have a stouter body and the males has a larger and more pointed Dorsal fin. You should have a ratio of two males to each female. Courtship consists of the male touching the female with his snout and then the female will swim constantly around cleaning rocks or plant leaves in the tank. Then a male will grab the females barbals and twist his body into hers and she will release her egg pouches at the same time as the male sperm. This is repeated several times with the female taking the egg pouches and placing them at various locations throughout the tank. After spawning you can remove the parents from the tank. The eggs will hatch in about five to eight days and the young are not hard to raise and can be fed fine flake food or newly hatched brine shrimp (fresh or frozen). Growth is fairly rapid given proper conditions.

Your comments:


Please remember that the following comments are personal experiences and may or may not apply to your setup. Use them as guide to help better understand your fish, like us all individuals will behave differently under different circumstances.


From: Lauren
Date: 4/6/2012
I have 11 of these in my 29g tank. They are sooooo much fun. I used to have 6 but they just did not seem happy, so I added some more. The more the better with these. After seeing my fishes reaction to a bigger school, I am convinced that the minimum school size is 10. You will love these. The minimum sized tank you should have is a 20g Long. They like to explore the bottom. They need access to the surface because they will occasionally go up for a gulp of air (all corys do this). Over all a very entertaining fish. Do not get them to clean the tank because that is your job. I would also not recommend that you keep them in a tank with gravel. It will tear up their whiskers.
From: Zach
Date: 12/12/2007
Corydoras are arguably the cutest most docile of fish we can keep. I have 2 of these bronze cories and if you really want to have a great experience with this fish I recommend getting driftwood. I have seen mine rasping around the wood even going upside down Also they seem to love resting upon the leaves of my African ferns. Definitely you need to get a few of these guys because they need to group.
From: Jake
Date: 06/01/2007
I have three of them in my 10 gallon, and I have to say that they are the most peaceful fish I've ever owned. It's kinda hard to tell them apart though. They also keep the tank clean. They forage about the bottom looking for food (even after you've fed them) and they also aren't heavy on the bioload, making them perfect for cleaning small tanks. Cuts down on my job, that's for sure!
From: Abi
Date: 04/23/2006
These are awesome fish. I have five albinos (same species) in my tank, and they are the most active I have in there. They're very peaceful, but unfortunately have been more timid since I added my male betta to the tank, so I think I'm going to move him once I have space to move him to. I started out with just one, and she was all right, but it's really not the right way to keep them, as I learned. They are so much healthier in groups, and more interesting to watch. They love to swim back and forth through the filter current, it's almost too strong for the little ones, but for some reason they really like fighting it. They are perfect with other non-agressive fish, but I would be careful with larger or more territorial fish, the cories can be bullied by them.

From: Zane
Date: 02/12/2002
Cories do not like salt. They can tolerate some such as for a live bearer tank but not as much as sail fin mollies like.

From: Lu-Ann
Date: 04/21/2002
I have to say that I adore this fish. I wish I had a tank full of them. I have seven of them right now. I have four speckled cory cats and three brown armored cory cats. They are so much fun to watch. They love to play together, and always sleep piled on top of each other or right next to each other. They are really hardy fish, and they love to play together in the waterfall in my tank.





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