Boraras maculatus – Dwarf Rasbora

The Dwarf Rasbora or Boraras maculatus is one of the smallest fish. Its base color is olive green, its body is orange-red, the back is brighter red, the belly slightly yellowish.

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Boraras maculatus – Dwarf Rasbora

This extremely small fish has an orange color, on the back it is more red while the belly is more yellow. There is also a bit of an olive green haze over the body. On the body there is a dark blue spot. At the tail root and just under the fins there are also blue spots. The female is often a bit larger and fuller than the male. All in all they do not grow larger than about 2.5 centimeters. You can only keep these fish together with other “mini” fish otherwise they end up as food.

Synonyms: Rasbora maculata, Boraras maculata.

Origin

Malaysia, Sumatra, Singapore, South East Asia.

The Aquarium

The colors of the fish are more beautiful in an aquarium with a dark bottom and subdued lighting by using floating plants. The use of wood in the aquarium provides a natural look that is close to the natural conditions. The fish mainly live close to the bank and then especially between branches and roots of plants hanging in the water. A well-planted zone in the aquarium is also recommended so that the fish can hide there well. They do like some sunlight in the aquarium. You can keep them in a community aquarium with other small species, but they come into their own in a species aquarium.

Water parameters

Temperature: 23-26 Celsius.
PH: 5-6,5
GH: 4-12

Diet

It goes without saying that you can only give them smaller types of food, such as daphnia, cyclops and artemia-nauplii. They also like finely crushed dry food.

Character

The dwarf rasbora is a very peaceful and agile schooling fish that you can keep with at least 7 pieces, but preferably more. It is a real schooling fish that wastes away if it does not have enough conspecifics around it. During courtship, the females are chased quite a bit by the males. They swim in the middle and lower water layers.

Breeding Boraras maculatus – Dwarf Rasbora

They are not the easiest fish to breed. It is best to transfer a number of fish to a separate breeding tank with soft acidic water. If the temperature is increased to 27 degrees, this will promote the laying of eggs. The aquarium should be decorated with many fine-leaved plants such as Java moss. A laying grid could also be chosen to prevent the eggs from being eaten.

They are free layers that produce about 50 eggs. After laying, the parents must be caught. The eggs will hatch after 1 to 2 days. The young can be fed with the finest dust food.

Video

Author

Richpad – Coby

Copyright images

Peter Maguire

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Additional information

Family

Genus

Species

maculatus

Synonym

Rasbora maculata

Common name

Dwarf Rasbora, Dwarfrasbora

First described by

Georg Duncker

Character

Social behaviour

Breeding behaviour

Diet

Zone

Origin

Minimum length

2

Length maximum

3

Temperature minimum

23

Temperature maximum

26

pH minimum

5.0

pH maximum

6.5

GH minimum

4

GH max

12