Blacknose dace (Rhinichthys atratulus)

Scientific name: Rhinichthys atratulus Hermann, 1804

Blacknose dace (Rhinichthys atratulus)

The Blacknose dace (Rhinichthys atratulus) is a freshwater fish of the family Cyprinidae. In the aquarium it needs water at 29°C (84°F).

Blacknose dace care at a glance

Temperature
29°C (84°F)

Biology

Dorsal soft rays (total): 8; Anal soft rays: 7. Body stout, spindle-shaped; mouth slightly inferior, slightly oblique and extending to below nostril; pointed barbel in groove at angle of mouth. Gill rakers short, conical, widely spaced.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Rhinichthys atratulus
Family
Cyprinidae (Minnows or carps)
Order
Cypriniformes (Carps)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
12.4
Common length
5.7
Environment
Freshwater; demersal
Climate
Temperate
Distribution
North America: primarily in Atlantic slope drainages from Nova Scotia (Maritimes, Canada), to south Carolina and Georgia, USA. Its former subspecies, R. obtusus is found primarily in upper Mississippi and Ohio drainages, USA and in Manitoba, Canada.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
High, minimum population doubling time less than 15 months (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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