Giraffe cichlid - Nimbochromis venustus

Scientific name: Nimbochromis venustus

Common name: Giraffe cichlid

Family: Cichlidae

Usual size in fish tanks: 20 - 25 cm (7.87 - 9.84 inch)

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Recommended pH range for the species: 7 - 8.5

Recommended water hardness (dGH): 12 - 24°N (214.29 - 428.57ppm)

0°C 32°F30°C 86°F

Recommended temperature: 22 - 27 °C (71.6 - 80.6°F)

The way how these fish reproduce: Spawning

Where the species comes from: Africa

Temperament to its own species: aggressive/territorial

Temperament toward other fish species: aggressive/territorial

Usual place in the tank: Middle levels

Giraffe Cichlid Overview

The Giraffe Cichlid (Nimbochromis venustus), also known as the Venustus Cichlid, is a large and striking species native to the rocky and sandy areas of Lake Malawi in East Africa. Known for their unique giraffe-like coloration, these cichlids can grow up to 20 to 25 cm (7.87 to 9.84 inches) in captivity, making them a popular choice for large, well-maintained aquariums. While their appearance is mesmerizing, they are known for their aggressive and territorial nature, especially during breeding. They require ample space and structured environments to thrive, as they tend to establish territories and defend them aggressively against other tank mates.

Tank Requirements

Given their size and territorial behavior, Giraffe Cichlids need a spacious aquarium of at least 450 liters (120 gallons) to accommodate a small group and to prevent overcrowding. These fish thrive in tanks that replicate their natural habitat, with a mix of open swimming spaces and rocky formations for hiding and territory establishment. Adding rocks and driftwood can help create natural boundaries and reduce aggression.

Maintain water temperatures between 22-27°C (71.6-80.6°F) with a pH range of 7 to 8.5 and a water hardness of 12-24°N (214.29 - 428.57 ppm). Because Giraffe Cichlids are high waste producers, a strong filtration system is essential to maintain water quality. Regular water changes of 20-30% weekly are recommended to keep nitrate levels low and to maintain the health of the fish.

Food and Feeding

In the wild, Giraffe Cichlids are predatory fish that primarily feed on smaller fish and invertebrates. In captivity, they can be fed a varied diet that includes high-quality cichlid pellets or granules, supplemented with live or frozen foods such as bloodworms, brine shrimp, and small fish. Occasional treats of insect larvae, krill, and prawns can also be provided to keep them healthy and vibrant. It’s important to avoid feeding them too much protein, as this can cause digestive issues. Feed them small portions 2-3 times a day to ensure proper nutrition while maintaining water quality.

Sexing

Sexing Giraffe Cichlids can be done by observing their size and coloration. Males tend to be larger than females and display more vibrant coloration, especially during breeding periods. The males may also develop a slight nuchal hump as they mature, whereas females remain smaller and less colorful.

Breeding

Giraffe Cichlids are maternal mouthbrooders, meaning the female carries the fertilized eggs in her mouth until they hatch. To encourage breeding, it’s best to keep one male with 2-3 females in a spacious tank. The male will select a flat surface or a sandy area as a breeding site. After spawning, the female will pick up the eggs in her mouth and brood them for about 3 weeks, depending on the water temperature. Once the fry are released, they can be fed newly hatched brine shrimp or crushed flake food. Breeding pairs can become highly aggressive during this time, so it may be necessary to remove the male or provide additional hiding spots for the female.

Lifespan

With proper care, Giraffe Cichlids can live up to 10 years. Providing them with a clean and stable environment, a balanced diet, and plenty of space will help ensure they reach their full lifespan.

Compatibility and Tank Mates

Giraffe Cichlids are highly territorial and can be aggressive toward other fish, especially smaller species. It is important to house them with similarly sized, robust fish that can tolerate their territorial behavior. Suitable tank mates include other large cichlids, such as Jack Dempsey Cichlids or Green Terror Cichlids, as well as non-aggressive but sturdy species like Plecos or Silver Dollars. Avoid keeping them with smaller or delicate species, as they may become targets of aggression. Providing plenty of space and visual barriers in the tank can help reduce territorial conflicts.

Short Description

The Giraffe Cichlid (Nimbochromis venustus) is a large and aggressive species native to Lake Malawi. Known for their striking giraffe-like patterns and territorial behavior, these cichlids require spacious tanks with robust filtration systems. Growing up to 25 cm (9.84 inches), they can live for up to 10 years with proper care. Giraffe Cichlids thrive in environments that mimic their natural habitat with open spaces for swimming and rocky structures for territory establishment. While they are aggressive toward smaller fish, they can coexist with similarly sized and robust tank mates under the right conditions.

Pictures

Thanks to Eric for pictures. Also thanks to Tamri Shavi. Two pictures were bought by aqua-fish.net form jjphoto.dk.