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Some fish, like salmon, spend almost their whole life muaturin in the ocean, then swim many miles up their ancestral rivers, to lay their eggs, commonly dying after spawning. though most commonly associated with fish, spawning triggers also occur in bivalves [1] [2] and corals.
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]
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
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
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 ...
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Adolfo's catfish (Corydoras adolfoi) is a tropical freshwater fish belonging to the Corydoradinae sub-family of the family Callichthyidae. It originates in inland waters in South America, and is found in the Rio Negro basin and the Rio Uapes in Brazil. [2] It is also known as Adolfo's corydoras.