Fourspine lamprologus

Neolamprologus tetracanthus

Also known as Lamprologus tetracanthus, Pearl-lined lamprologus

FreshwaterFish

Care at a glance

Temperature
75–81°F (24–27°C)
pH
7.5–9.0
Adult size
7.9 in (20 cm)
Minimum tank
79 gal (300 L)
Temperament
Aggressive
Social behavior
Solitary
Tankmates
Tankmates with caution
Swim level
Bottom
Difficulty
Medium
Breeding
Medium
Rarity
Rare
Origin
Lake Tanganyika
Family
Cichlidae

Overview

This is a big, capable sand-dwelling predator, kept as a single fish or a bonded pair rather than a group, since a settled pair claims and defends a broad stretch of floor. It works the bottom, hunting over sand and along the sand-and-rock line. It is aggressive around its territory, so select companions with care: robust Tanganyikans that keep to open water or the rocks, and nothing small enough to be hunted down. Feed meaty foods, frozen mysis, bloodworm, prawn and small snails, plus good sinking pellets. A pair needs a tank of at least 300 liters with open sand, some rock and hard, alkaline water, and plan the floor around their territory.

In the wild

Neolamprologus tetracanthus ranges all around Lake Tanganyika along the boundary between sand and rock, hunting over open sand and using the stones for cover and spawning. Recreate that with a broad sand floor, some piled rock, and clear swimming space. Keep the water hard and alkaline like the lake, around 24 to 27 C at a pH from 7.5 to 9, with strong, clean filtration.

Good to know

This pearl-spangled lamprologine belongs to the family Cichlidae and reaches about 20 centimeters, its bronze body dotted with rows of light spots. Its name, tetracanthus, refers to four spines. It is a substrate spawner that hides eggs against or under stone and guards the fry as a pair, so breeding is a moderate project given the space for a territory.

Did you know

Beyond hunting fish and insect larvae, it has a specialized trick: it can suck snails and other molluscs clean out of their shells, adding a food source many of its rivals cannot touch.

Common questions

What size tank does a Fourspine lamprologus need?

A Fourspine lamprologus needs at least 79 gal (300 L). It spends most of its time in the bottom.

What temperature and pH do Fourspine lamprologus need?

Fourspine lamprologus are comfortable at 75–81°F (24–27°C) with a pH of 7.5–9.0.

How big do Fourspine lamprologus get?

An adult Fourspine lamprologus reaches about 7.9 in (20 cm).

Appears in

Freshwater fish · Cichlids · Bottom dwellers

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