Julidochromis marlieri

Aquarium fish: Julidochromis marlieri (Julidochromis marlieri)
Size: 13 cm
Origin: Tanganyika
Water temperature: 23-27 ° C
Aquarium volume: 110 l

Julidochromis marlieri (Julidochromis marlieri ) – an aquarium fish from the cichlid family belonging to the fracture group.

Occurrence

Africa. The endemic, widespread species inhabits rocky-bottomed coastal zones in the northern and southern parts of Lake Tanganyika (part of the population also found at the eastern and western edges).

Characteristics and disposition

It is approx. 13 cm long.

Several dark stripes run along the body, intersecting with dark stripes along the torso, creating a checkerboard pattern. Gender difficult to distinguish . Adult females during the spawning period are slightly larger and have a clearly rounded genital wart. In adult males, the wart is sharper and a hump of fat appears. The casings are characterized by a specific swimming, belly parallel to the surface.

They assume a vertical position while swimming along vertical walls or swimming up belly under a rock arch. Hidden among vertical rock bends, they freeze in motion, making the impression that they are stuck to a stone wall. Marlier’s cashew forms hybrids with other representatives of the genus Julidochromis .

Nutrition and feeding

Live and frozen foods should make up the bulk of their diet, supplemented with plant-based foods such as spirulina or chopped spinach. As a supplement, dry food in flakes can be given.

Aquarium

It is recommended to keep a pair in an aquarium of approx. 110 liters of aquarium with a minimum length of 100 cm. Necessary decorations in the form of piles of stones, creating caves and crevices in which the fish will find a hiding place and a place for breeding. They prefer sandy ground. Water should be well oxygenated.

Like other aqualines , they do not tolerate changes to the reservoir’s decor and large water changes. Territorial fish, but they can be successfully kept with other similar sized Tanganyika cichlids, e.g. of the genus Altolamprologus or Cyprichromis.

Breeding

Easy enough but requires a lot of patience. It is recommended to buy a group of young fish and wait for them to pair up naturally.

This process may take about a year or more. As soon as steam has formed, the remaining fish should be separated. The casings connect for life. Accelerating this process (buying an adult male and female) is not advisable and does not guarantee success – often an insistent male kills the female . The aquarium should be at least 110 liters, arranged as described above.

The optimal water parameters are the pH of about 8.2-9.0 and the temperature of 26 ° C. Cashews reproduce in hiding from the aquarist’s eyesight. It multiplies in a cave or crevice. The female lays about 150 roe grains (usually less) on the bottom or roof of the cave. During spawning, the parents are quite active and visible close to the cave, even for a month.

We usually learn about the enlargement of the family only when the young leave the nest. Both parents take care of the offspring evenly, but, interestingly, the female is the dominant fish. The fry have a yolk sac and do not need to be fed until they are empty. However, it may happen that we will see the fish without it, so start feeding immediately. The young are big enough to immediately take artemia and brine shrimp larvae.

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