GeneticOS
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Mummichog

Fundulus heteroclitus

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The mummichog is a killifish from the Atlantic coast of North America, from salt marshes, tidal creeks and estuaries, entering fresh water only a little. Very hardy, it withstands wide swings in salinity and temperature and low-oxygen water. It has been introduced to the Iberian Peninsula. It is usually 7.5 to 9 centimetres, with a maximum of 15.

Scientific name
Fundulus heteroclitus
Family
Fundulidae

Fact sheet

General

Water
Brackish
Group
Fish

Taxonomy

Family
Fundulidae
Order
Cyprinodontiformes
Synonyms
Cobitis heteroclita, Cobitis macrolepidota, Esox pisciculus, Esox pisculentis, Esox pisculentus, Fundulus antillarum, Fundulus badius, Fundulus coenicolus, Fundulus fasciatus, Fundulus fonticola, Fundulus heteroclitus heteroclitus, Fundulus heteroclitus macrolepidotus, Fundulus heteroclitus var. badius, Fundulus lozanoi, Fundulus macrolepidota

Origin

Native region
América do Norte

Water

Temperature
10–24 °C

Size and lifespan

Adult size
15 cm
Lifespan
4 years

Behavior

Swimming level
Middle
Diet
Omnivore

Conservation and trade

IUCN status
Least concern (LC)

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