Главная 7 Aquarium fish 7 Koridoras similis (Corydoras similis) – content, breeding

Koridoras similis (Corydoras similis) – content, breeding

Koridoras similis (Corydoras similis)

Habitat: The Similis Corridor is found in nature in the Madeira River Basin, which flows through Brazil.

Description: the elongated body narrows towards the tail and has a triangular shape in cross section. The line of the back is arched, and the belly is flat.

On a pointed snout, lowered down, long antennae.

Body color is light beige or yellowish, with a pinkish tinge on the bottom. Small dark specks are often scattered on the head and back.

On both sides at the base of the caudal fin a large dark spot. All fins are transparent.

Females are larger in size and bulging belly. The easiest way to determine the sex of the fish, if you look at them from above – the males are slimmer.

Females of the Similis corridor in captivity reach a length of 6 cm, males are smaller – 3-4 cm.

Arrangement and parameters of the aquarium: like almost all the corridors, the similises feel more comfortable and confident in a flock of their relatives. Better group of at least six individuals.

Somiks stay mostly at the bottom, there they are looking for food, so the ground needs a small fraction, preferably sandy. Plants should form thickets in which the fish can hide, but at the bottom free areas are needed.

Be sure to put in the aquarium a lot of shelters from caves, grottoes, stones and snags. Due to the nature of the respiratory system, corridors need free access to the surface of the water, where they periodically float up for a breath of air.

Water parameters: 22-28 ° C, dGH 5-12, pH 5.6-7.5.

Content at the upper temperature limit reduces the lifespan of corridors.

Poor tolerate elevated concentrations of copper and salt in water.

Koridoras similis (Corydoras similis) compatible with any non-aggressive fish of similar size and conditions of detention.

Nutrition: accepts all types of feed: dry, live, frozen. Food takes only at the bottom, so you need to choose quickly sinking food, preferably for bottom fish.

Add to this still live and frozen feed, such as Daphnia, Artemia, Motyl and the like.

Reproduction: The breeding conditions of the Similis corridor do not differ much from the breeding of all types of corridors.

The volume of spawning is small – about 10-20 liters.

Spawning pair or group. In the case of pair spawning, separate maintenance of producers for several weeks is necessary.

In group spawning, this is not necessary, but the time spent by the fish in the spawn will be longer.

Somiki feel better in the presence of soil, but you can also do without it, which will allow you to keep the water clean. Javanese moss is suitable as a substrate.

One or two bushes of large-leaved plants will also be useful.

From the equipment you need an air diffuser, a filter (airlift) and a heater.

Spawning can be stimulated by changing water parameters, water levels and a variety of nutrition. In terms of temperature, this can be either a rise or a decrease of several degrees.

Water parameters in the spawning aquarium: dGH 4-6, pH 6.5.

The female lays eggs on the plants, the bottom, the side walls of the spawn. At one time, she spawns 1-2 eggs, and the total capacity is 80 eggs, the size of which is 1.7-2 mm.

Caviar is very soft at first, but after a couple of minutes it hardens and then transferred to a separate container up to 5 liters for incubation. To maintain the desired temperature, a vessel with caviar can be placed in the spawning tank.

The addition of methylene blue to water prevents the development of fungal caviar diseases.

The larvae hatch for 3-6 days, and after 2 days they already swim and can receive nematodes and nauplii of artemia.

The color of the fry becomes the same as in adults by the age of two months.

Sexually mature Koridoras similis (Corydoras similis) become by 1-2 years.

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