Banded rainbowfish

Aquarium fish: Banded rainbowfish (Melanotaenia trifasciata)
Size: 13 cm
Origin: Australia
Water temperature: 24-30 ° C
Aquarium volume: 110 l

Banded rainbowfish (Melanotaenia trifasciata) – a species of freshwater fish from the rainbow family, eagerly bred in aquariums.

Occurrence

The species is native to Australia . Fish inhabit rivers and streams, including the Cape York Peninsula.

Characteristics and disposition

In nature, they reach 15 cm in length, in an aquarium usually less. The body is laterally flattened with a dark strip running at the height of the head to the base of the tail.

Odd fins mostly yellow or red. Coloration, form and pattern are very variable, individual individuals differ from one another depending on the population. The most common is the blue-green form. Males are more vividly colored, have a slightly higher body and elongated dorsal and anal fins. Rainbowfish are quite skittish fish and they feel much better in a larger group .

The recommended minimum is 6-8 pieces. Males in the company of companions look more impressive, showing their most beautiful colors.

Nutrition and feeding

Crude fish. They eat most of the live, frozen, and dry foods available.

Aquarium

These mobile rainbow fish should be kept in an aquarium with dimensions of min.

120x30x30 cm, planted along the side and back walls. This way we will provide the fish with sufficient swimming space. An efficient filter with forced water current is also necessary. A fish with a very mild temper. However, their activity may be disturbing by smaller and slow-swimming species.

They can be kept with similar sized rainbows, e.g. neon , red , blue, boeseman . Bites, danios , barbs , freshwater plantain and cuirass will also be a good company .

Breeding

As with other rainbow species, reproduction is not difficult. However, rearing fry can be troublesome.

The spawning tank should, above all, be long – at least 75 cm. Slightly hard, alkaline water, pH 7.5, temperature between 28-30 ° C. Recommended large number of small-leaved plants, e.g. java moss or an artificial aquarium mop. A substrate is not necessary.

We feed the adult fish abundantly with live and frozen food until they are ready for breeding. Females are then noticeably thicker and males more intensely colored. We choose the thickest female and the prettiest male and transfer them to the previously prepared spawning aquarium. A slight increase in temperature will encourage the fish to spawn. The steam is wiped off for several days, with a portion of the roe being spread daily.

The eggs stick to the surface with thin filaments. Parents do not tend to eat eggs and fry. Despite this, it is good to transfer the spotted eggs to a separate aquarium. It will be easier to control the maturation of the fry. Hatching takes 7-12 days, depending on the temperature.

Micro-foods should be fed during the first week. Then small live food, e.g. artemia, floating in the depths. The fry most of the time stay in the upper parts of the water, therefore the falling food will not work.

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