Longnose dace (Rhinichthys cataractae) fish species and information / pictures of Longnose dace - Rhinichthys cataractae

Longnose dace (Rhinichthys cataractae) fish species information

Scientific Name
Rhinichthys cataractae

Common Name
Longnose dace

Biology
Inhabit rubble and gravel riffles (sometimes runs and pools) of fast creeks and small to medium rivers; also in rocky shores of lakes (Ref. 5723). Young up to 4 months are pelagic (Ref. 1998). Form schools (Ref. 1998). Feed on mayflies, blackflies, and midges (Ref. 1998). Spawn over pits in loose gravel substrate (Ref. 51972). Widely used as bait in the USA (Ref. 1998). Artificially propagated in Minnesota, USA in long narrow ponds having weak water flow (Ref. 1998).

Classification

Classified By

Valenciennes, 1842

Class

Ray-finned fishes (Actinopterygii)

Order

Carps (Cypriniformes)

Family

Minnows or carps (Cyprinidae)

Distribution

Region

North America

Distribution

North America: widely occurs from coast to coast of north-central North America: in the east along the mountains to Virginia; in the Mississippi drainage south to Iowa; in the western basin south to northern Mexico; reported from northeastern Nevada; in the inshore waters in all the Great Lakes (Ref. 1998).

Range

69°N - 28°N

Environment

Climate

Temperate

Water Temperature From

4 °C

Water Temperature To

16 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Freshwater; ; pH range: ? - 7.0; dH range: 10 - 15 demersal

Trophic Level

3.2 s.e. 0.40 Based on food items.

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

22.5 cm

Common Length

9.5 cm

Phylogenetic Diversity Index

PD50 = 0.5020 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Aquaculture: commercial; aquarium: commercial; bait: usually

Vulnerability

Moderate vulnerability (36 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (tm=2; tmax=5; Fec = 1,155)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated