Mummichog (Fundulus heteroclitus)

Fish in the family Fundulidae. Easy care. Freshwater.

Mummichog

Quick facts

Scientific nameFundulus heteroclitus
FamilyFundulidae
Also known asCommon Killifish, Mud Minnow
Care levelEasy
Reef safetyFreshwater
TemperamentSemi Aggressive
DietOmnivore
Adult size5 in
Minimum tank size29 gallons
Water parametersTemp 50-78°F, pH 7.0-8.5, GH 10-30 dGH

Appearance

Stocky olive-green topminnow with pale flecking and faint bars; the iconic North American estuary killifish.

Difficulty and care for the Mummichog

Easy

Origin and habitat

Atlantic coast of North America

Keeper notes

Extremely hardy estuarine killi; boisterous and nippy. Eats shrimp and small fish. Often kept brackish; tolerates a huge salinity and temperature range.

Log Mummichog 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 Mummichog alongside everything else in your reef.