Threadfin Petrochromis (Petrochromis trewavasae)

Fish in the family Cichlidae. Hard care. Freshwater.

Quick facts

Scientific namePetrochromis trewavasae

FamilyCichlidae

Also known asPetrochromis, Trewavasae

Care levelHard

Reef safetyFreshwater

TemperamentAggressive

DietHerbivore

Adult size9 in

Minimum tank size125 gallons

Water parametersTemp 76-82°F, pH 8.0-9.0, GH 10-20 dGH

Appearance

Large robust grazer with a broad rubber-lipped mouth, olive-grey body, and trailing filamentous fin extensions in mature males.

Difficulty and care for the Threadfin Petrochromis

Hard

Origin and habitat

Lake Tanganyika, Africa

Keeper notes

One of the most aggressive Tanganyikans; very large adults dominate tanks. Bloat-prone aufwuchs grazer needing strict herbivore diet.

Log Threadfin Petrochromis in your reef tank

Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Threadfin Petrochromis alongside everything else in your reef.

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