Blackspotted topminnow (Fundulus olivaceus) fish species and information / pictures of Blackspotted topminnow - Fundulus olivaceus

Blackspotted topminnow (Fundulus olivaceus) fish species information

Scientific Name
Fundulus olivaceus

Common Name
Blackspotted topminnow

Biology
Inhabits near surface of quiet to flowing water, usually near margins of clear, sandy to gravelly headwaters, creeks and small rivers. 9.7 cm max TL (Ref. 5723). Feeds on terrestrial arthropods, aquatic insects, small crustaceans, and diatoms (Ref. 10294). Spawning occurs over gravel (Ref. 79012). Not a seasonal killifish. Is easy to maintain in the aquarium (Ref. 27139).

Classification

Classified By

Storer, 1845

Class

Ray-finned fishes (Actinopterygii)

Order

Live bearers, Killifishes and Rivulines (Cyprinodontiformes)

Family

Topminnows and killifishes (Fundulidae)

Distribution

Region

North America

Distribution

North America: Mississippi River basins from eastern Tennessee, western Kentucky, southern Illinois and central Missouri south to Gulf of Mexico (west to central Oklahoma) in the USA; Gulf Slope drainages from Chattahoochee River in Georgia to Galveston Bay in Texas, USA.

Range

38°N - 29°N

Environment

Climate

Temperate

Water Temperature From

15 °C

Water Temperature To

25 °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

True

Physical Size and Genetics

Maximum Length

8.0 cm

Common Length

7.5 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

Aquarium: commercial

Vulnerability

Low vulnerability (12 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