Giant Pearlfish (Cynolebias gibbus)

Fish in the family Rivulidae. Hard care. Freshwater.

Quick facts

Scientific nameCynolebias gibbus

FamilyRivulidae

Also known asCynolebias gibberus, Gibbus Killi

Care levelHard

Reef safetyFreshwater

TemperamentSemi Aggressive

DietCarnivore

Adult size5 in

Minimum tank size29 gallons

Water parametersTemp 72-80°F, pH 6.0-7.0, GH 3-10 dGH

Appearance

One of the largest annual killies; deep-bodied males are dark blue-grey peppered with pearly dots. A heavyweight South American annual.

Difficulty and care for the Giant Pearlfish

Hard

Origin and habitat

Northeastern Brazil (South America)

Keeper notes

Large, predatory annual; males aggressive. Species tank essential. Eats shrimp and small fish.

Log Giant Pearlfish 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 Giant Pearlfish alongside everything else in your reef.

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