Catfish lane (lat. Corydoras arcuatus) is one of the most common types of aquarium fish. Has a calm disposition and a very good capacity for acclimatization. In natural conditions it lives in fresh waters of South America, particularly in Brazil, Peru and Ecuador. The two-lane catfish occurs in the upper Amazon and its tributaries. The water is clean with temperatures ranging from +22 to +26 C. it Prefers shallow areas with sandy or fine gravel bottom. Was opened in 1939 and at first it was called the armoured catfish due to the fact that on his body there are two rows of large scales –modified bone plates. They protect it from predators.
Most of the catfish spends time in search of food . which collects in the lower layers of the reservoir at the bottom. Fish touches the bottom of his elongated snout with sensitive whiskers. Catfish them touches the ground, catching invertebrates living there. In the food are also particles of animal and vegetable origin. In case of danger hiding in the thick plants. Can easily tolerate the lack of oxygen in the water. To do this, he splive to the water surface to breathe atmospheric air, which is absorbed in a special section of the intestine.
Spawning starts in the rainy season. After spawning catfish do not show any attention to the future offspring. Larvae of catfish poyavlyautsya light after 5-8 days after spawning. The body of the larvae have long, snake-like with a large yolk SAC. The contents of the yolk sack they feed for 3-4 days and then turn into fingerlings with a length of about 1 cm in Their appearance resemble adults fry catfish. They grow slowly, become older after the first year of life.
The body length of adult individuals of about 5-6 cm . The body of fish, silver-pink, Gill Golden brown. On both sides of the catfish’s body from snout to the tail runs a black stripe. The nasal openings are located directly in front of the eyes.
At home content two-way catfish does not pose any difficulties. Catfish feels himself in open and closed aquariums with a volume of 20 L. the bottom of the aquarium put coarse sand or small pebbles. Lighting it is preferable to use diffused, the water temperature is maintained at about +25 C. the Catfish gets along well with other peaceful species of fish, simultaneously performing the function of the natural nurse.