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Natural Range: Rio Para, Lower Amazon Drainage
Source: Aquarium Bred and Raised. The broodstock was collected by Hans-Georg Evers in 2018 from the state of Piaui, Brazil in the Lower Rio Parnaiba basin close to Jose de Freitas. These are the real deal.
Estimated Size at Shipping: 0.75" give or take a bit
Max Size: 2"
Overview: Corydoras julii claims the title of most popular Corydoras in the hobby. Unfortunately, what you're most likely getting at your LFS isn't C. julli, but C. trilineatus. Luckily we were able to find a breeder and bring in true C . julii.
Almost all Corydoras are perfect citizens in a peaceful community aquarium. There are hundreds of species with a wide range of colors, patterns, and fin shapes. Affectionately referred to as Corys, these small catfish are always entertaining as they clown around together searching for food. They are usually non-aggressive, relying on their heavy body armor to protect them. Corys live by the phrase "make love, not war," spawning in large communal aggregations without combat or displays of dominance. Because of their peaceful nature, there is usually never any worry about stress due to bullying or hierarchy disputes.
Something interesting about these catfish is how they supplement their oxygen intake by breathing atmospheric air. They do this by darting up to the surface, taking a gulp of air, and darting back down to the substrate. This is perfectly normal behavior which adds to the charm of their clownish behavior.
Setup Considerations: Corydoras can be found on a wide range of substrates in the wild ranging from mud to sand to rock. However, all the species we have kept have greatly appreciated a substrate of fine sand which they constantly sift through for food, often burying their faces up to their eyeballs as they push into the sand. Fine sand is not strictly necessary and they will do just fine on a wide variety of substrates, or even on the glass bottom of an aquarium, but, if you can provide sand, you will see a lot of really enjoyable behavior as they root around for food.
Specific Care Requirements: This fish is highly gregarious and only truly thrives when kept in groups...the bigger the better.
Diet: Omnivore. Corydoras need protein rich foods in order to thrive. Unfortunately, they are often sold as "cleaner" fish with the expectation that they will get enough nutrition by sucking algae and other gunk from the substrate. While they do need some plant matter in their diet, they are not effective algae eaters. In fact, for optimal health, it is recommended that they be target fed a variety of sinking pellets and wafers, as well as the occasional offering of frozen and live foods. They can eat quite a lot, but are somewhat slow feeders. We have found that regularly feeding long-lasting foods such as large pellets, wafers, and Repashy and letting the Corys graze on these foods for a few hours at a time helps keep them fat and sassy.
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Location: Wyoming, United States
Shipping: Please review checkout for final shipping options based on items selected, quantity, and groupings. Heat or cold packs will be included as needed at no extra cost.
Find details about our shipping process in our FAQ. For example, we ship most orders on the following Monday or Wednesday.