---
title: "Mummichog"
description: "Fundulus heteroclitus — Ryby. The mummichog (Fundulus heteroclitus) is a small killifish found along the Atlantic coast of the United States and Canada."
canonical: https://animalchecklist.com/pl/animal/mummichog
last_updated: 2026-09-20
---

# Mummichog

> Fundulus heteroclitus — Ryby. The mummichog (Fundulus heteroclitus) is a small killifish found along the Atlantic coast of the United States and Canada.

- Scientific name: *Fundulus heteroclitus*
- Category: `fish` (Ryby)
- Habitats: `sea` (Morze i wybrzeże)
- iNaturalist observations: 5990
- Wikidata: [Q939303](https://www.wikidata.org/wiki/Q939303)
- iNaturalist taxon: [58642](https://www.inaturalist.org/taxa/58642)

## Names

- en: Mummichog
- de: Zebra-Killifisch
- es: Fúndulo
- fr: Choquemort
- it: Fundulus heteroclitus heteroclitus

## Countries with the most observations

US (5075), CA (455), ES (20), BM (8), PT (4)

## Summary

The mummichog (Fundulus heteroclitus) is a small killifish found along the Atlantic coast of the United States and Canada. Also known as Atlantic killifish, mummies, gudgeons, and mud minnows, these fish inhabit brackish and coastal waters, including estuaries and salt marshes. The species is noted for its hardiness and ability to tolerate highly variable salinity, temperature fluctuations from 6 to 35 °C (43 to 95 °F), very low oxygen levels (down to 1 mg/L), and heavily polluted ecosystems. As a result, the mummichog is a popular research subject in embryological, physiological, and toxicological studies. It is…

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Mummichog

## Photo

![Mummichog](https://animalchecklist.com/img/animals/mummichog/medium.jpg)

Photo: Cody Vue · CC0 · inaturalist — https://www.inaturalist.org/observations/223594504

## Machine access

`GET https://animalchecklist.com/api/v1/animals/mummichog?lang=pl` — see [openapi.json](https://animalchecklist.com/openapi.json).