Heterandria formosa

E906269

Heterandria formosa is a tiny North American livebearing freshwater fish, often called the least killifish, popular in aquariums for its small size and peaceful nature.

All labels observed (1)

Label Occurrences
Heterandria formosa canonical 1

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf fish species
livebearing fish
ray-finned fish
aquariumUse popular aquarium fish
suitable for nano aquariums
broodCharacteristic multiple broods at different developmental stages
superfetation
class Actinopterygii
commonName dwarf livebearer
least killifish
describedBy Charles Frédéric Girard
diet algae
insect larvae
microcrustaceans
small invertebrates
distributionType endemic to southeastern United States
family Poeciliidae
genus Heterandria
habitat ditches
freshwater
heavily vegetated waters
ponds
slow-moving streams
swamps
IUCNStatus Least Concern
kingdom Animalia
maximumLength about 1.2 inches
about 3 cm
nativeTo Florida
Georgia
Louisiana
North America
South Carolina
southeastern United States
notableTrait one of the smallest vertebrate species in North America
very small adult body size
order Cyprinodontiformes
pHPreference about 6.5–8.0
phylum Chordata
reproduction internal fertilization
livebearing
sexualDimorphism females larger than males
socialBehavior shoaling fish
taxonRank species
temperament peaceful
temperaturePreference about 18–28 °C
waterPreference freshwater
slightly brackish tolerant
yearDescribed 1859

How these facts were elicited

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Poeciliidae includesTaxon Heterandria formosa