Harlequin Snake Eel (Myrichthys colubrinus)

Fish in the family Congridae. Expert care. Not Reef Safe.

Harlequin Snake Eel

Quick facts

Scientific nameMyrichthys colubrinus
FamilyCongridae
Also known asHarlequin Snake-Eel
Care levelExpert
Reef safetyNot Reef Safe
TemperamentSemi Aggressive
Dietcarnivore
Adult size48 in
Minimum tank size150 gallons
Water parametersTemperature: 72-78°F pH: 8.1-8.3 Salinity: 1.023-1.025
Feeding schedule2-3 times daily

Appearance

The Harlequin Snake Eel displays a patterned body of dark brown or black with distinctive white or cream-colored bands and spots. Its elongated, eel-like body features a pointed snout and small eyes, with the characteristic congrid body shape.

Diet and feeding

Feed small live or frozen meaty foods such as small fish, shrimp, and other crustaceans. Offer food 2–3 times per week; these eels are opportunistic predators but do not require daily feeding in captivity.

Difficulty and care for the Harlequin Snake Eel

Moderate - Requires some experience due to specific dietary water or tank requirements. Best suited for intermediate aquarists.

Common health issues

Marine ich, Fin rot, Swim bladder disorder, Hole in the head disease, Columnaris disease

Origin and habitat

Indo-Pacific region from East Africa and the Red Sea to Hawaii and the Great Barrier Reef.

Log Harlequin Snake Eel 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 Harlequin Snake Eel alongside everything else in your reef.