Mottly Lamprologus (Lamprologus obscurus) — 4-5cm

Overview

The Mottled Lamprologus (Lamprologus obscurus) is a compact, strikingly patterned Tanganyikan cichlid that brings bold personality and fascinating breeding behaviour to the home aquarium. Endemic to the rocky shores of Lake Tanganyika, this species thrives in hard, alkaline water and rewards dedicated aquarists with its intricate mottled markings, territorial antics, and cave-spawning habits. With a maximum size of around 4 cm, L. obscurus is one of the smaller Tanganyikan cichlids, making it ideal for moderately sized setups.

Appearance

Lamprologus obscurus displays a stunning mottled pattern of dark browns, blacks, and creamy-white markings that resemble chipped stone or lichen. This intricate camouflage, evolved for rocky habitats, makes each individual unique. The body is stocky and robust, with a slightly upturned mouth adapted for picking at small invertebrates among rocks. Males are marginally larger and more intensely coloured than females, especially during breeding periods.

Natural Habitat

This species inhabits the rocky littoral zones of Lake Tanganyika, foraging among boulders and crevices at shallow to moderate depths. The lake's ancient, stable chemistry—characterised by high mineral content, exceptional clarity, and warm temperatures—has shaped the evolution of hundreds of endemic cichlid species. In nature, Mottled Lamprologus establish territories around suitable caves and defend them vigorously, feeding on small invertebrates and zooplankton.

Aquarium Setup

Recreate a Tanganyikan biotope with plenty of rockwork arranged to form caves, crevices, and line-of-sight breaks. Use a sandy or fine gravel substrate and ensure stable water chemistry: pH 7–8.5, moderate to hard water (GH 10–20°), and a temperature of 23–28°C. A minimum of 80 litres is recommended for a pair or small group. Provide strong filtration, regular water changes, and subdued lighting to bring out the fish's mottled colours. Avoid overcrowding to reduce territorial disputes.

Water Parameters

Like all Tanganyikan cichlids, the Mottled Lamprologus demands pristine, stable conditions. Aim for 23–28°C, pH 7–8.5, and moderate to high hardness. Conduct weekly partial water changes (20–30%) to maintain low nitrate levels and replenish essential minerals. Use a high-quality filter rated for the tank volume, and consider adding crushed coral or Tanganyikan salts to buffer water chemistry. Monitor parameters closely, as fluctuations can stress these sensitive fish.

Feeding

In the wild, Lamprologus obscurus feeds on small crustaceans, insect larvae, and zooplankton. In captivity, offer a varied carnivorous diet: high-quality cichlid micropellets, frozen or live brine shrimp, daphnia, and occasional bloodworms. Feed small portions once or twice daily, and avoid overfeeding to prevent water quality issues. A balanced, protein-rich diet supports vibrant coloration, healthy growth, and successful breeding.

Behaviour

Mottled Lamprologus are semi-aggressive and territorial, especially when guarding a chosen cave or preparing to spawn. They establish and defend small territories, and males may become particularly assertive towards rivals. Outside breeding periods, they can coexist with other Tanganyikan cichlids of similar size and temperament, provided the aquarium offers sufficient hiding spots and visual barriers. Watching a bonded pair interact and defend their territory is one of the highlights of keeping this species.

Tank Mates

Ideal companions include other Lake Tanganyika cichlids of similar size and temperament, such as small Julidochromis, Neolamprologus, or shell dwellers. Peaceful Tanganyikan catfish (e.g., Synodontis) can also share the tank. Avoid mixing with small schooling fish that may be bullied or eaten, highly aggressive cichlids, fin-nippers, soft-water community fish, or slow-moving, long-finned species. Careful planning and adequate space are key to a harmonious Tanganyikan community.

Breeding

Lamprologus obscurus are cave or crevice spawners that form monogamous pairs. Once bonded, the pair selects a secluded cave, cleans the surface, and lays a small clutch of adhesive eggs. Both parents typically guard the eggs and fry, with the female assuming primary care duties. Fry emerge after several days and can be fed newly hatched brine shrimp or specialist fry foods. Maintain excellent water quality and stable conditions to support successful breeding.

Why Buy from Tropical Fish Co

Tropical Fish Co is a leading UK specialist in African cichlids for sale UK, offering healthy, quarantined Lake Tanganyika species including the rare Mottled Lamprologus. Every fish is carefully selected, acclimated to our expert holding systems, and dispatched with detailed care guidance. Whether you're building your first Tanganyikan setup or adding to an established community, our knowledgeable team is here to support your success. Order online today for fast, reliable delivery and discover why Tropical Fish Co is the trusted choice for premium freshwater fish for sale UK.