Glowlight rasbora

Aquarium fish: Glowlight rasbora (Trigonostigma hengeli)
Size: 3.5 cm
Origin: Asia
Water temperature: 23-28 ° C
Aquarium volume: 54 l

Glowlight rasbora (Trigonostigma hengeli) – A sociable, shoal freshwater fish often confused with Razbora Espei.

Occurrence

It occurs in the areas of the Great Sunda Islands, eg Sumatra, Java, Borneo, Celebes. They live in slowly flowing forest streams and river tributaries, densely overgrown with, for example, Cryptocoryne .

Characteristics and disposition

Adult fish reach 2.5-3 cm in length. Females are fuller on the belly and slightly larger than the slender, more colorful males.

A calm species that swims in a shoal, ideal for a social aquarium. The shoal should be at least 8-10 pieces. Fish in larger numbers look much better, are more intensely colored, less skittish and show their natural behavior more willingly. Rather rarely commercially available and often confused with Razbora Espei and Razbora Klinowa . Of the three similar varieties of Glowlight rasbora, it is the smallest and has a transparent body through which a black wedge runs from the belly to the tail, clearly fringed by a bright orange pigment from the top and front.

Nutrition and feeding

Razbora Hengela is a small predator, in nature it feeds on small insects, worms and plankton. They are not picky in the aquarium, they can be fed with dry, frozen and live food, e.g. artemia, daphnia, bloodworm.

Aquarium

They look most beautiful in an aquarium with a dark substrate and densely planted vegetation . For razbor min.

is a 60x30x30 cm tank. Fish like shady places, caves and nooks and crannies made of roots or branches. They do not have special requirements for water chemistry, but in nature they live in soft, slightly acidic water. When choosing a companionship for the hengel razbory, their small size should be taken into account. It can be kept with most popular aquarium fish, e.g.

with other small carp , cuirass , beautifull or tetras .

Breeding

Razbora Hengel, like Razbora Espei , does not spread the roe but sticks it to the underside of the leaves. In well-kept tanks, spawning takes place without the intervention of the aquarist . If we are interested in a larger number of fry, we must prepare a spawning tank, which we shade. At the bottom of the tank, we place a net or aquarium cotton wool, which will prevent eating eggs, and broadly leafed plants, e.g.

Cryptocoryna , Mikrozorium, Anubias. Water for breeding should be soft 1-5 ° H with a pH of 5.0-6.0 and a temperature of 26-28 ° C. We select older specimens around the age of 1 year. Feed copiously with live food a few days before spawning. When the bellies of females are fuller and the males will acquire a more intense color, we transfer the spawners to the previously prepared aquarium.

Spawning usually takes place in the morning. However, if it does not happen within 3-4 days, we repeat the procedure with another couple. After observing the eggs, we catch the parents. Hatching takes about 24-48 hours. The fry begin to swim after about a week.

We feed small fish with dust or slurry until they are large enough to eat small live food.

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