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Encyclopedia / African Cichlids / Multi shell dweller
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Variations

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Multi shell dweller

Neolamprologus multifasciatus · Multi, Multis, Multifasciatus, Multi-shell dweller, Shell dweller

Very territorial for its size; keep as a colony of 8-12 in a 60-100 L tank with sand and plenty of empty snail shells.

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4 cmAdult size ✓
24–27 °CTemperature ✓
8–9pH ✓
60 LSmallest tank ✓
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Tank mates
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Not recommended
  • Tinfoil barb eats animals up to about 5 cm. Multi shell dweller only grows to 4 cm.
  • Rift lake cichlids like multi shell dweller need hard, alkaline water and a busy, cichlid-only tank.
Not recommended
  • White cloud mountain minnow needs cool water and makes a lot of waste, while Multi shell dweller is tropical.
  • Rift lake cichlids like multi shell dweller need hard, alkaline water and a busy, cichlid-only tank.
Not recommended
  • Giant gourami eats animals up to about 10 cm. Multi shell dweller only grows to 4 cm.
  • Rift lake cichlids like multi shell dweller need hard, alkaline water and a busy, cichlid-only tank.
With conditions
  • Rift lake cichlids like multi shell dweller need hard, alkaline water and a busy, cichlid-only tank.
  • Only a narrow temperature range suits both: 24–25 °C.
With conditions
  • Rift lake cichlids like multi shell dweller need hard, alkaline water and a busy, cichlid-only tank.
  • Their pH needs don't quite meet (8–9 vs 4.5–7). Aim between the two and keep it steady.
Compatible
Compatible
Compatible
Compatible
Compatible

53 species in our list are a good match.

Facts checked against sources on 16 Oct 2026. ✓ means a source backs it; ? means no reliable source yet. See sources

Care and water

Hardness ✓8–25 dGH
Group size ?8 or more
Temperament ✓Semi-aggressive
Swims at ?Bottom
Care level ?Easy
Diet Omnivore
Lifespan ?Unknown
Size in shops 2–3.5 cm
Growth Medium

Behavior

Very territorial for its size; keep as a colony of 8-12 in a 60-100 L tank with sand and plenty of empty snail shells.

  • cave
  • sand

Food

Frozen and live food (brine shrimp, cyclops, daphnia) and fine flakes.

Tap a food to see what it is.

Male or female

Adult males are considerably larger than females, with slightly stronger colour and a reddish tint to the upper dorsal fin.

Health

Common problems. Tap one to see the signs. This is a guide, not a diagnosis.

Breeding

Shell-dwelling cave spawner · Moderate

Shell spawner: eggs are laid inside an empty snail shell that the fish defends.

Pairing

Keep a group with several shells per fish; pairs form and defend a shell territory.

Setup

60-100 L tank with a sand floor, many empty snail shells (Helix or Turbo type) and hard alkaline water (pH 7.8-8.8).

What starts it

Good conditioning, regular water changes, and a pair that claims a shell; the female spawns inside it.

Eggs

Eggs hatch in around 24 hours and the fry are free-swimming at about 6-7 days. No egg count found in a source.

Raising the fry

Fry stay in or near the shell for the first week. Feed newly hatched brine shrimp, microworms and powdered flake; older fry may be removed to avoid being eaten.

Common mistakes
  • Too few shells so fish fight
  • Using soft or acidic water
  • Keeping with large fish that raid shells
Full breeding guide, day-by-day plan and simulator →

Where it lives in the wild

RegionLake Tanganyika
Rivers and lakesLake Tanganyika (snail-shell beds around much of the lake)
HabitatBeds of empty snail shells on sand
Native rangeAbout 300 km across
See it on the world map

The story of the multi shell dweller

Probably the smallest known cichlid; it lives in large colonies in Lake Tanganyika shell beds, each fish with its own shell, feeding on passing plankton.

Boulenger described this tiny cichlid in 1906. It lives in fields of empty snail shells, using them as homes and nurseries. It is among the smallest of all cichlids.

First described by George A. Boulenger in 1906.

  • Adults are often under 5 cm long.
  • Colonies live in beds of empty Neothauma snail shells.
  • Fish constantly dig to expose or bury shells in their territory.

Sources

15 facts checked with sources