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Rhinichthys cataractae  (Valenciennes, 1842)

Longnose dace
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Rhinichthys cataractae   AquaMaps   Data sources: GBIF OBIS
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Image of Rhinichthys cataractae (Longnose dace)
Rhinichthys cataractae
Picture by The Native Fish Conservancy

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > Leuciscinae
Etymology: Rhinichthys: Greek, rhinos = nose + Greek, ichthys = fish (Ref. 45335);  cataractae: cataractae meaning of the Cataract, the original type being from Niagara Falls (Ref. 1998).

Environment / Climate / Range Ecology

Freshwater; demersal; pH range: ? - 7.0; dH range: 10 - 15.   Temperate; 4°C - 16°C (Ref. 2060); 69°N - 28°N

Length at first maturity / Size / Weight / Age

Maturity: Lm ?, range 6 - 10.6 cm
Max length : 22.5 cm TL male/unsexed; (Ref. 51971); common length : 9.4 cm TL male/unsexed; (Ref. 12193); max. reported age: 5 years (Ref. 12193)

Short description Morphology | Morphometrics

Vertebrae: 40 - 42. Absence of a groove between the upper lip and tip of snout. Barbel present. Snout long and overhanging.

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

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).

Biology     Glossary (e.g. epibenthic)

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).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Ovarian development probably of the group-synchronous type. Fecundity is determinate based on release of great majority of oocytes in a given spawning season, few signs of atretic oocytes and oocyte diameter distribution points to lack of substantial production of new oocytes (Ref. 51971). Spawn on rock and gravel. Larvae benthic (Ref. 7471). According to a study (Ref. 10280), although no nest is built, a territory is established and one parent guards the nest. In Manitoba, females lay 200-1200 transparent eggs hatching in 7-10 days at 15.6°C. Young are pelagic and inhabit quiet waters inshore; pelagic stage lasts 4 months before typical bottom dwelling existence of adults commence (Ref 1998). Spawn in riffles over gravelly bottom near nest of river chub.

Main reference Upload your references | References | Coordinator | Collaborators

Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. Common and scientific names of fishes from the United States and Canada. Am. Fish. Soc. Spec. Pub. (20):183 p. (Ref. 3814)

IUCN Red List Status (Ref. 96402)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Aquaculture: commercial; aquarium: commercial; bait: usually
FAO(Publication : search) | FisheriesWiki | Sea Around Us

More information

Countries
FAO areas
Ecosystems
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Ecology
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Age/Size
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Length-weight
Length-length
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Morphometrics
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Larvae
Larval dynamics
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Ciguatera
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Internet sources

Alien/Invasive Species database | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | Public aquariums | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5020   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00631 (0.00296 - 0.01347), b=3.05 (2.86 - 3.24), based on LWR estimates for this Subfamily-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.2   ±0.40 se; Based on food items.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (tm=2; tmax=5; Fec = 1,155).
Vulnerability (Ref. 59153):  Moderate vulnerability (36 of 100) .