Alexander's Pearlfish (Austrolebias alexandri)

Fish in the family Rivulidae. Hard care. Freshwater.

Quick facts

Scientific nameAustrolebias alexandri

FamilyRivulidae

Also known asAlexandri Killi

Care levelHard

Reef safetyFreshwater

TemperamentSemi Aggressive

DietCarnivore

Adult size3 in

Minimum tank size15 gallons

Water parametersTemp 60-72°F, pH 6.0-7.2, GH 4-12 dGH

Appearance

Stocky annual; males blue-grey with pearly spotting and dark bars; females mottled. A temperate South American annual.

Difficulty and care for the Alexander's Pearlfish

Hard

Origin and habitat

Argentina (South America)

Keeper notes

Annual; males aggressive. Species tank essential. Eats shrimp and fry. Cooler water.

Log Alexander's 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 Alexander's Pearlfish alongside everything else in your reef.

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