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Diadromous Least Concern 🍽️ Edible 🌡️ Temperate

Mummichog

Fundulus heteroclitus Linnaeus, 1766
Max Length
15 cm
Max Weight
-
Lifespan
4 yrs
Trophic Level
3.6
Depth
-
Climate
Temperate
Resilience
Medium
Vulnerability
19.00/100
Typical Length
8.9 cm
Depth Zone
-

📖 Overview

Facultative air-breathing ; Adults occur in saltwater marshes, tidal creeks and nearby fresh water . A resident intertidal species with homing behavior . They may leave tide pools if aquatic conditions become inhospitable . They also enter fresh water to a limited extent . Not a seasonal killifish. They breathe air when out of water . Difficult to maintain in aquariums . Introduction has caused the decline of native species and near extinction of Aphanius baeticus in southwestern Spain .

Scientific Name
Fundulus heteroclitus
Authority
Linnaeus, 1766
Habitat
Diadromous
Climate
Temperate
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
15 cm
Lifespan
4 years
Trophic Level
3.6
Resilience
Medium
Vulnerability
19.00/100
Migration
Non-migratory
Water Temp
10–24 °C
Salinity
30–40 ppt

🐟 Physical Description

Distinguished from nearly identical species Fundulus grandis by having the following characters: more convex upper profile; dark bars alternating with silvery interspaces on side; small ocellus at rear of dorsal fin of male; and each mandible with 4 pores .: fusiform / normal.

🌀 Behaviour

Behavioural data for Mummichog is currently being reviewed.

🦐 Diet

Diet information for Mummichog is currently being compiled.

🥚 Reproduction

Deposits eggs in the shells of Modiolus demissus .

🌍 Habitat & Distribution

Marine; freshwater; brackish; benthopelagic; non-migratory . Temperate; 10°C - 24°C ; 52°N - 28°N, 82°W - 55°W northeast Florida, USA.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish
Migration
Non-migratory
Trophic Level
3.6±0.48

📐 Morphometrics

Length–Weight Relationship: W = 0.00933 × L3.17 (TL)
Max TL
15cm

🌡️ Water Parameters & Tolerance

Temperature Range
10–24°C
Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2012

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
19.00/100
Low vulnerability
Trophic Level
3.6
Predator
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Linnaeus, 1766

🍽️ Edibility & Flavour

"Mummichog is an edible species."

✗ Not for Raw
✓ Fresh Indicators
  • Clear, bright eyes — cloudy eyes indicate age
  • Firm flesh that springs back when pressed
  • Fresh ocean smell, never strong or ammonia-like
  • Bright red or pink gills, not grey or brown
  • Shiny, moist skin with scales tightly attached
✗ Avoid If
  • Cloudy or sunken eyes
  • Strong fishy or ammonia odour
  • Soft, mushy flesh that doesn't spring back
  • Discoloured or dry flesh
Best Cooking Methods
Baking Grilling Pan-frying

Nutrition

Per 100g cooked - Source: USDA FoodData Central

Nutrient Amount
Protein 17.9 g
Omega-3 (total) 594 mg

🔬 Mercury Safety

Mercury data for Mummichog has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.

🌿 Sustainability

Best Choice
Healthy stocks, low impact
Good Alternative
Well-managed, minor concerns
Use Caution
Check sourcing and season
Avoid
Overfished or high impact

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Cobitis heteroclita Linnaeus 1766 Homotypic
Cobitis macrolepidota Walbaum 1792 Synonym
Esox pisciculus Mitchill 1815 Synonym
Esox pisculentis Mitchill 1815 Synonym
Esox pisculentus Mitchill 1815 Synonym
Fundulus antillarum Fowler 1916 Synonym
Fundulus badius Garman 1895 Synonym
Fundulus coenicolus Bloch & Schneider 1801 Synonym
Fundulus fasciatus Bloch & Schneider 1801 Synonym
Fundulus fonticola Valenciennes 1846 Synonym
Fundulus heteroclitus badius Garman 1895 Synonym
Fundulus heteroclitus heteroclitus - - Synonym
Fundulus heteroclitus macrolepidotus Walbaum 1792 Synonym
Fundulus lozanoi Gomez Caruana, Peiro Gomez & Sanchez Artal 1984 Synonym
Fundulus macrolepidota Walbaum 1792 Synonym
Fundulus nigrofaciatus Lesueur 1817 Synonym
Fundulus nisorius Cope 1870 Synonym
Fundulus ornatus Lesueur 1817 Synonym
Fundulus pisciculus Mitchill 1815 Synonym
Fundulus pisculentis Mitchill 1815 Synonym
Fundulus swampinus Lacepède 1803 Synonym
Fundulus vinctus Jordan & Gilbert 1882 Synonym
Fundulus viridescens DeKay 1842 Synonym
Fundulus zebra DeKay 1842 Synonym
Hydargira nigrofaciata Lesueur 1817 Synonym
Hydrargira ornata Lesueur 1817 Synonym
Hydrargira swampina Lacepède 1803 Synonym
Poecilia coenicola Bloch & Schneider 1801 Synonym
Poecilia fasciata Bloch & Schneider 1801 Synonym
Valencia lozanoi Gomez Caruana, Peiro Gomez & Sanchez Artal 1984 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 188 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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