Brachygobius doriae

Aquarium fish: Brachygobius doriae (Brachygobius doriae)
Size: 3 – 4 cm
Origin: Asia
Water temperature: 24-28 ° C
Aquarium volume: 40 l

Brachygobius doriae (Brachygobius doriae ) – a species of small aquarium fish from the goby family (Gobiidae) . 

Occurrence

Asia. The endemic species is found only in the western parts of Borneo in Indonesia. It inhabits both fresh and salt waters, mainly in lowland areas, marshes, estuaries and streams. It can be found in places where there is a muddy and sandy, silted ground with a large amount of decomposing organic matter, eg decaying leaves or roots. Some populations live in marshlands, which are characterized by a tea color, acidic pH and low water hardness.

Characteristics and disposition

They are 3 to 4 cm long. Honey or mustard-colored flesh covered with vertical dark stripes and spots. Abdominal fins fused to form a suction cup. Sex until breeding is indistinguishable. Females are usually slightly larger during the spawning period.

The reddish color along with the dark stripes of males fades away and females the first yellow stripe tends to be brighter. They mainly stay on the bottom or on the decorations and walls of the aquarium. Males are territorial and fights for territories often take place between them. It’s best to keep a group of min. 6 individuals, thanks to which the aggression will spread out a bit and additionally the fish will be bolder and show more natural behavior.

Nutrition and feeding

For beginner aquarists, feeding golden plantain can be quite a challenge because they usually ignore dry and even frozen ready-made foods. It is best to feed them with live foods such as: Artemia, Daphnia, mosquito larvae, eyelids, etc.

Aquarium

They require a minimum 40-liter tank with lots of nooks and crannies, hiding places and caves. It is best to divide the tank with decorations into several zones, which makes it easier for weaker individuals to hide from the dominant male. They prefer brackish water but can also live in freshwater.

In the wild, they migrate between salty and freshwater. We can add crushed coral or coral sand to the substrate, which will act as a buffer, or sea salt in the proportion of 2 g per liter of water. The water current in the aquarium should not be too strong.

Breeding

Brachygobius doriae breed in small caves, e.g. from pots, ceramic tubes or plastic containers.

Spawning takes place at elevated temperatures, within 30 ° C. The male chooses a hiding place and encourages the female to spawn. The female lays from 100 to 300 eggs and after hatching she leaves the male who will look after the eggs from then on. It is best to separate the remaining fish for this time or move the intact cave with eggs to a separate aquarium. Incubation takes about 7-9 days.

We feed freely swimming fish with micro-food until they can eat, for example, artemia larvae. In the initial period, the fry swim all over the reservoir and stay at the bottom with increasing age.

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