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They are often kept at a pH of between 6.5 and 7.0. They are schooling fish that are usually kept in groups of at least four and will also behave much more naturally in larger groups (10 or more). Unlike the larger more common Corydoras, they often swim in shoals around the mid water and lower regions of the tank.
Corydoras are a very popular choice for a community aquarium and are widely kept throughout the world. Between the years of 2006 and 2015, over 8,600,000 Corydoras were exported from the state of Amazonas, accounting for roughly 6.06% of the state's ornamental fish exports during this time. [20]
Only after a period of 10 to 12 weeks, at which point the fish has assumed a size of 12 to 14 millimetres, will the fish attain the colouration of the adult, and be in all respects a perfect miniature of the parents. Photo of Corydoras panda, approx 8 mm long, age approximately 3–5 weeks
C. narcissus is large for a Corydoras and may reach up to 6.5 cm (2.6 in) in standard length. [3] It feeds on worms, small crustaceans, insects, and plant matter. It lays eggs in dense vegetation, and adults do not guard the eggs.
Like many Corydoras species, Sterba's corydoras is a shoaling catfish, and thus should ideally be kept in groups of 5 or more. In the wild it can be found in Brazil and thus, wild caught fish prefer soft, acidic water. However, Sterba's corydoras is a hardy fish and tank bred
Cories are small catfish which are popular with aquarists - the Pepper cory is shown.. This is an alphabetically ordered list of Corydoras species.. Each entry includes: binomial scientific name, describer and year of publication.
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In the aquarium, Corydoras imitator breeds similarly to other Corydoras species, such as C. aeneus. In order to facilitate breeding, a sex ratio of two males to one female is recommended. When females are visibly gravid , a large water change (50-70%) with cooler water should be performed daily until the eggs hatch, and oxygenation and flow ...