Dorsinota spoke

Rasbora Dorsinotata, scientific name Rasbora dorsinotata, belongs to the Cyprinidae family. Rasbora is quite rare in the aquarium hobby, mainly due to the not so bright coloration in comparison with other Rasboras. Nevertheless, it has the same set of advantages as its relatives – unpretentious, easy to maintain and breed, compatible with many other species. May be recommended for beginner aquarists.

Habitat

It comes from Southeast Asia from the territory of northern Thailand and Laos. Found in the Mekong Chao Phraya river basins. Inhabits shallow channels and rivers with dense aquatic vegetation, avoids the main full-flowing channels of large rivers.

Brief information:

• The volume of the aquarium – from 80 liters.
• Temperature – 20-25°C
• Value pH — 6.0–7.5
• Water hardness – soft (2-12 dGH)
• Substrate type – any
• Lighting – any
• Brackish water – no
• Water movement – moderate, strong
• The size of the fish is about 4 cm.
• Food – any food
• Temperament – peaceful
• Keeping in a group of 8-10 individuals

Description

Adults reach a length of about 4 cm. The color is light beige with a black stripe running all over the body from head to tail. Fins are translucent. Sexual dimorphism is weakly expressed – females, unlike males, are somewhat larger and have a more rounded abdomen.

Food

Undemanding to the diet look. The aquarium will accept most popular foods of a suitable size. The daily diet, for example, may consist of dry flakes, granules in combination with live or frozen daphnia, bloodworms, artemia.

Maintenance and care, arrangement of the aquarium

The optimal tank sizes for a small flock of these fish start at 80 liters. In the design, it is recommended to use a sand and gravel substrate, several snags and hardy plants (anubias, bolbitis, etc.). Since Rasbora Dorsinota comes from flowing waters, the movement of oxen in the aquarium is only welcome.

The fish needs high quality water and does not tolerate its pollution well. To maintain stable conditions, it is necessary to regularly remove organic waste (food remains, excrement), weekly replace part of the water with fresh water by 30–50% of the volume, and monitor the values ​​of the main hydrochemical indicators.

Behavior and Compatibility

A peaceful schooling fish, compatible with other non-aggressive species of comparable size. The content in the group is at least 8–10 individuals, with a smaller number they can become overly shy.

Breeding / breeding

Like most cyprinids, spawning occurs regularly and does not require special conditions to be recreated. The fishes scatter their eggs in the water column and no longer show any parental care, and on occasion they will eat their own offspring. Therefore, in the general aquarium, the survival rate of fry is extremely low, only a few of them will be able to reach adulthood if there are enough dense thickets of small-leaved plants in the design where they could hide.

In order to preserve the whole brood, separate spawning tanks with identical water conditions, with a volume of about 20 liters and equipped with a simple airlift filter with a sponge and a heater, are usually used. No lighting system required. With the onset of the mating season, the eggs are carefully transferred to this aquarium, where the juveniles will be completely safe. The incubation period lasts 18-48 hours depending on the water temperature, after another day they begin to swim freely in search of food. Feed with specialized micro food or brine shrimp nauplii.

Fish diseases

Hardy and unpretentious fish. If kept in suitable conditions, then health problems do not arise. Diseases occur in case of injury, contact with already sick fish or significant deterioration of the habitat (dirty aquarium, poor food, etc.). Read more about symptoms and treatments in the Aquarium Fish Diseases section.