Silverjaw minnow (Notropis buccatus)

Scientific name: Notropis buccatus Cope, 1865

Silverjaw minnow (Notropis buccatus)

The Silverjaw minnow (Notropis buccatus) is a freshwater fish of the family Cyprinidae. Native range: North America, Mississippi River, Ohio River, and Atlantic coastal tributaries north of the Cumberland River from Missouri to Virginia and Maryland.

Biology

Inhabit shallow sandy riffles and raceways of creeks and small to medium rivers. 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.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Notropis buccatus
Family
Cyprinidae (Minnows or carps)
Order
Cypriniformes (Carps)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
9.8
Common length
3.8
Environment
Freshwater; benthopelagic
Climate
Temperate
Distribution
North America: Mississippi River, Ohio River, and Atlantic coastal tributaries north of the Cumberland River from Missouri to Virginia and Maryland.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
High, minimum population doubling time less than 15 months (K=0.89; tmax=3)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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