Scientific Name
Fundulus sciadicus

Common Name
Plains topminnow

Biology
Occurs in springs and their effluents, and in quiet to flowing pools and backwaters of creeks and small to medium rivers. Usually found near vegetation. 7 cm max TL (Ref. 5723). Not a seasonal killifish (Ref. 27139).

Classification

Classified By

Cope, 1865

Class

Ray-finned fishes (Actinopterygii)

Order

Live bearers, Killifishes and Rivulines (Cyprinodontiformes)

Family

Topminnows and killifishes (Fundulidae)

Distribution

Region

North America

Distribution

North America: disjunct in the USA: Missouri River basin from western Iowa to eastern Wyoming; Missouri River drainage in central Missouri; Neosho River system in southwestern Missouri, southeastern Kansas and northeastern Oklahoma.

Range

44°N - 37°N

Environment

Climate

Temperate

Water Temperature From

5 °C

Water Temperature To

22 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; benthopelagic; non-migratory

Trophic Level

3.09 s.e. 0.37 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

9.0 cm

Common Length

5.1 cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (13 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated