Organisms

Fundulus heteroclitus

A killifish species in topminnows genus Fundulus which is native to Atlantic saltwater marshes and tidal creeks. It is commonly known as mummichog or Atlantic killifish. Fundulus heteroclitus is a model organism for toxicogenomics and related fields because of its high resistance to environmental toxins; short intervals between spawning (10 days); large number of eggs (up to 300 each spawning) and relatively long lifespan (4 years).

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A killifish species in topminnows genus Fundulus which is native to Atlantic saltwater marshes and tidal creeks. It is commonly known as mummichog or Atlantic killifish. Fundulus heteroclitus is a model organism for toxicogenomics and related fields because of its high resistance to environmental toxins; short intervals between spawning (10 days); large number of eggs (up to 300 each spawning) and relatively long lifespan (4 years).

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MeSH Record

Synonyms

7 entry terms
  • Atlantic Killifish
  • Cobitis macrolepidota
  • Mummichog
  • Mummichogs
  • Cobitis heteroclita heteroclita
  • Fundulus heteroclitus heteroclitus
  • Fundulus heteroclitus macrolepidotus

MeSH Record

Aspects Covered

17 allowable subheadings

Indexed with the subheadings abnormalities, anatomy & histology, blood, cerebrospinal fluid, classification, embryology, genetics, growth & development, immunology, injuries, metabolism, microbiology, parasitology, physiology, surgery, urine, virology.

MeSH Record

History Note

2024(2002)

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References

  1. National Library of Medicine. Fundulus heteroclitus. Medical Subject Headings (MeSH). 2026. Unique ID D000096403. http://id.nlm.nih.gov/mesh/2026/D000096403
  2. Fundulus heteroclitus. In: Wikipedia. https://en.wikipedia.org/wiki/Mummichog
  3. Fundulus heteroclitus. In: Wikidata. https://www.wikidata.org/wiki/Q939303