Fish › Guppies, Mollies, Platys, and Swordtails
Least Killifish
Heterandria formosa
24 photos
Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.
Photos you add are credited to you, and you keep the copyright.
Easily confused with
Eastern MosquitofishGambusia holbrooki
Bluefin KillifishLucania goodei
Western MosquitofishGambusia affinis
Rainwater KillifishLucania parva
Sailfin MollyPoecilia latipinna
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 3,988 |
|---|---|
| Louisiana | 466 |
| Georgia | 214 |
| Mississippi | 213 |
| Alabama | 156 |
| Texas | 110 |
| South Carolina | 104 |
| North Carolina | 42 |
| Missouri | 1 |
| Kansas | 1 |
Counts show where people looked, not only where it lives.
Traits
Physical
- AquaticLives primarily in waterFrom its classification
Classification
| Kingdom | Animals · Animalia |
|---|---|
| Phylum | Chordates · Chordata |
| Class | Ray-finned Fishes · Actinopterygii |
| Order | Rivulines, Killifishes, and Livebearers · Cyprinodontiformes |
| Family | Guppies, Mollies, Platys, and Swordtails · Poeciliidae |
| Genus | Heterandria |
Sources
- Names, taxonomy and observation counts: www.inaturalist.org
- Photos and recordings: the creator and source are on each one.
- How much to rely on each source
Remember the name next time.
Practise Least Killifish with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.