Silverjaw minnow (Notropis buccatus) fish species and information / pictures of Silverjaw minnow - Notropis buccatus

Silverjaw minnow (Notropis buccatus) fish species information

Scientific Name
Notropis buccatus

Common Name
Silverjaw minnow

Biology
Inhabit shallow sandy riffles and raceways of creeks and small to medium rivers (Ref. 3814, 10294). Young and adult feed mainly on entomostracans (cladocerans, copepods, and ostracods); with adults also consuming increasing numbers of midge larvae (chironomids) at night. Life span, 3-4 years; sexual maturity reached in the second or late in the first summer of its life. Two spawning peaks, older individuals in the mid-spring spawning and the preceding year's young during the July spawning (Ref. 10294).

Classification

Classified By

Cope, 1865

Class

Ray-finned fishes (Actinopterygii)

Order

Carps (Cypriniformes)

Family

Minnows or carps (Cyprinidae)

Distribution

Region

North America

Distribution

North America: Mississippi River, Ohio River, and Atlantic coastal tributaries north of the Cumberland River from Missouri to Virginia and Maryland.

Range

43°N - 31°N

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; benthopelagic

Trophic Level

3.14 s.e. 0.30 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

False

Physical Size and Genetics

Maximum Length

9.8 cm

Common Length

3.8 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 (15 of 100)

Resilience

High, minimum population doubling time less than 15 months (K=0.89; tmax=3)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated