Pygmy Corydoras (Corydoras pygmaeus)

Pygmy-Corydoras -1

Pygmy Corydoras is a tropical fish that belongs to the tropical inland waters of South America and in the Madeira River basin in Brazil. It grows to a maximum tail length size of 3 cm that makes it preferable in aquariums. There was one holotype designated for the species and one more specimen collected as a paratype. Also, some specimens of Corydoras pygmaeus have a similar appearance to Corydoras hastatus. They were misidentified as Corydoras hastatus in the older literature because Corydoras hastatus was the only miniature species identified at that time.

It prefers dim lighting with densely planted aquariums but also can be kept in amazonian biotope setups. Using some driftwood or twisted roots will be comfortable for this fish. Corydoras pygmaeus is very peaceful and can live with other kinds of serene community fish. They like schooling and watching them schooling is impressive.

Water Parameters:

Temperature: 22-27°C
pH: 5,6 – 8,0
Hardness: 2-15 dGH

Feeding:

Pygmy-Corydoras-2

They can be fed with commercial fish foods of any kind and live foods as well. Live foods will improve their breeding performance in a positive way. Since their sizes are too small, the preferred foods should be also small enough for them. They mostly swim at the middle levels of the water and mostly sitting over the plant leaves. Due to this semi-floating, small-size foods will be better for them to reach.

Breeding:

Breeding of this species is easy and the breeding method is the same as other corydoras species. The pygmy corydoras lays approximately 100 eggs at a breeding time. During the spawning, the female holds 2-4 eggs at each time in her pelvic fins and the male fertilizes the eggs. Then female attaches the sticky eggs to a surface that she considered as safe. Eggs will remain there until hatching. The hatching of the eggs will take 3-5 days depending on the water temperature.

The main problem with breeding this species is raising the fry. Fry are smaller than other corydoras species and require rotifer, cyclops, or infusoria source. In most cases, the fry grows itself and suddenly appears in the aquariums with heavy vegetation. The most significant point is using more moss plants to provide fry microorganisms. Some breeders squeeze filter sponges into the raising tank to provide micro-live food to the fry. Micro worms and newly hatched brine shrimps are also suitable for their menu once they get big enough to catch and eat that size of live foods.

Image Source: https://www.beke.co.nz/

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