Longnose dace (Rhinichthys cataractae)

Scientific name: Rhinichthys cataractae Valenciennes, 1842

The Longnose dace (Rhinichthys cataractae) is a freshwater fish of the family Cyprinidae. In the aquarium it needs water at 4–16°C (39–61°F).

Longnose dace care at a glance

Temperature: 4–16°C (39–61°F)

Biology

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

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Rhinichthys cataractae
Family: Cyprinidae (Minnows or carps)
Order: Cypriniformes (Carps)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 22.5
Common length: 9.5
Environment: Freshwater;; pH range: ? - 7.0; dH range: 10 - 15 demersal
Climate: Temperate
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.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Uses: Aquaculture: commercial; aquarium: commercial; bait: usually
Resilience: Medium, minimum population doubling time 1.4 - 4.4 years (tm=2; tmax=5; Fec = 1,155)