Peacock Eel (Macrognathus siamensis)

Fish in the family Mastacembelidae. Moderate care. Freshwater.

Quick facts

Scientific nameMacrognathus siamensis

FamilyMastacembelidae

Also known asPeacock Spiny Eel, Spotfinned Spiny Eel

Care levelModerate

Reef safetyFreshwater

TemperamentPeaceful

Dietcarnivore

Adult size12 in

Minimum tank size35 gallons

Water parametersTemp 75-82°F, pH 6.5-7.5, GH 5-15 dGH

Appearance

Slender spiny eel, tan with a row of peacock-like eyespots along the dorsal fin base.

Difficulty and care for the Peacock Eel

Moderate

Origin and habitat

Southeast Asia

Keeper notes

Peaceful and shy; eats small fish, shrimp, and worms but ignores larger tankmates. Burrows in sand and can escape through gaps.

Log Peacock Eel in your reef tank

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