Cichlids (Cichlidae)

Lemon Cichlid

Neolamprologus leleupi

An endemic of the African Lake Tanganyika, located in East Africa, the orange lamprologus, or lemon cichlid (scientific name Neolamprologus leleupi), belongs to the family Cichlidae. These fish are found along rocky shorelines in the southern part of the lake. Thanks to its bright coloration, this species is considered one of the most sought-after cichlids. However, it is not the best choice for beginner aquarists, as it requires impeccable water quality and exhibits complex intraspecific relationships.

Tank
from 70 L (18 gal)
Temperature
23 – 27 °C (73 – 81 °F)
Size in aquarium
10 cm (3.9 in)
Acidity
pH 7.5–9
Natural rangeRange on the map
  • Lake Tanganyika area
  • East Africa area
  • Congo Dem Rp
  • Tanzania
  • Zambia

Tank conditions

Plan the tank stocking
Temperature
23 – 27 °C (73 – 81 °F)
Water pH
Neutral (7.5) – Alkaline (9)
Water dH
Medium hardness (8) – Very hard (25)
Water salinity
no salt (freshwater)
Size in aquarium
10 cm (3.9 in)
Lifespan
9 years
Temperament
Territorial often aggressive
Toward small fish
not a predator
Required aquarium volume
from 70 L (18 gal)
Lighting
dimmed or moderate
Substrate
sandy (regular, light)
Water flow
weak
Swimming level
lower level
Feeding
Mixed diet meat + plant-based
Keeping
Pair (male/female)
Jumping
low
  • Lifespan. A lifespan to expect under good care, not a measured value: it depends heavily on tank volume, water quality and diet — and for selectively bred forms, on their origin as well.
  • Toward small fish. Based on the Predators category in the catalog or the temperament in the species parameters. “A risk to small fish” means the species is not a predator by habit, yet will swallow any fish that fits in its mouth.
  • Required aquarium volume. This is a husbandry recommendation, not a measured value: the volume depends on the keeping mode (pair (male/female)), footprint, decor and tank mates.

Care and keeping

Description

Adults reach no more than 10 cm in length. Their coloration is uniform, varying from yellow to brownish. Sexual dimorphism is weakly expressed; only small differences in the size of the pelvic fins, which are usually shorter in females.

Habitat

The lemon cichlid is endemic to Lake Tanganyika in East Africa. In nature, the fish inhabits coastal areas with a rocky bottom, preferring to stay near rocky shores. It leads a secretive lifestyle, living in numerous cracks, caves, and crevices between stones, where it feeds on small invertebrates inhabiting the biological fouling of the substrate. The water in its habitat is characterized by high hardness and alkaline reaction.

Behavior and Compatibility

This species is relatively peaceful towards other aquarium inhabitants, except during spawning periods when males may exhibit excessive aggression while defending their territory. Males show the most hostility towards each other, so it is recommended to keep only one adult pair in a single aquarium. Other fish from Lakes Tanganyika and Malawi (except Mbuna species), as well as any other species capable of adapting to similar conditions, are suitable as tank mates.

Care and Maintenance

An aquarium of 70 liters or more will be sufficient for one pair of fish. The decor is simple: sandy substrate and piles of stones or rock formations creating caves and grottoes are necessary. Simple ceramic pots, turned on their side, also work as shelters. The success of keeping lemon cichlids depends on maintaining very clean water and high pH and dGH values. To maintain the required water quality, in addition to weekly water changes of 20–25% of the volume with fresh water, it is necessary to install an effective filtration system and regularly clean the substrate of organic debris.

Diet

The diet of these fish should primarily consist of meaty foods, such as live or frozen bloodworms and brine shrimp. In addition, vegetable flakes can be offered. To ensure a balanced diet, it is recommended to use specialized high-protein foods from reputable manufacturers.

Breeding and Reproduction

This species is monogamous: fish form a permanent pair for life. It is important to note that not every male/female pair is compatible; if adult individuals are acquired and placed together, there is a high risk of one being killed. Pair formation occurs only among young fish as they mature while remaining in a group. Spawning is secretive, and often the aquarist discovers fry when they are already free-swimming. During the breeding period, the female chooses a secure shelter and lays up to 150 eggs, attaching them to the roof of a cave. The incubation period lasts 3–4 days, and then the fry remain in the shelter for 8–10 days. During this time, the parents will stay at the cave entrance, protecting their offspring from potential danger. Fry can remain with their parents for about 6 weeks, after which they should be moved to a separate tank to prevent them from being eaten.

Diseases

The main cause of most diseases in Lake Tanganyika cichlids is unsuitable keeping conditions and poor-quality food, which often leads, for example, to African Bloat. At the first symptoms, it is necessary first to check the water parameters and ensure there are no high concentrations of dangerous substances such as ammonia, nitrites, and nitrates. If the readings deviate from the norm, they should be brought into order, and only then should treatment begin.

How to choose

When choosing a Lemon Cichlid, preference should be given to active individuals with bright, vibrant coloration and no visible skin damage. It is important to avoid fish with signs of emaciation, sunken bellies, or damaged fins, as these may indicate hidden diseases or the effects of stress. In the store, pay attention to the fish's behavior: healthy individuals exhibit territoriality and curiosity, while an apathetic state or constant attempts to hide may be a sign of poor adaptation to aquarium conditions.

Compatibility

There are no pair reviews for this species yet — check tankmates in the matcher.

All tankmates

Plants and this fish

Matching water does not mean the plant will stay intact.

Frequently asked questions

The essentials: size, tank volume, water parameters and care

How big does Lemon Cichlid get?

An adult reaches 10 cm in length. Plan the tank around the maximum size: the fish quickly outgrows a cramped setup.

What size aquarium does Lemon Cichlid need?

The recommended volume is 70 L. A smaller tank speeds up nitrate build-up and raises stress levels.

What water parameters does Lemon Cichlid need?

Temperature 23–27 °C, pH 7.5–9, hardness 8–25 dGH. Stability matters more than exact values: sudden swings are harder on the fish than a small deviation from the ideal.

How long does Lemon Cichlid live?

Around 9 years when kept properly. Lifespan depends directly on tank volume, water quality and a varied diet.

Is Lemon Cichlid aggressive?

Temperament: territorial (often aggressive). Keep this in mind when choosing tank mates.

How many Lemon Cichlid should be kept together?

Recommended setup: pair (male/female). Ignoring this is a common cause of stress and disease.

What does Lemon Cichlid eat?

Diet type: mixed diet (meat + plant-based). Feed small portions that are finished within a couple of minutes — overfeeding does more harm than underfeeding.

What is the scientific name of Lemon Cichlid?

The scientific name of the species is Neolamprologus leleupi, family Cichlids (Cichlidae). It also appears in the literature as: Lamprologus leleupi.

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Other scientific names and conservation status

Other scientific names
Lamprologus leleupi
Categories
Cichlids
Conservation status
Least concernLC