Species: Rhinichthys cataractae

Longnose Dace

Species

Fishes

Encyclopedia of Puget Sound

Classification

Kingdom

Animalia

Phylum

Craniata

Class

Actinopterygii

Order

Cypriniformes

Family

Cyprinidae

Genus

Rhinichthys

NatureServe

Source:
ELEMENT_GLOBAL.2.101847

Classification

Other Global Common Names

naseux des rapides

Informal Taxonomy

Animals, Vertebrates - Fishes - Bony Fishes - Minnows and Carps

Formal Taxonomy

Animalia - Craniata - Actinopterygii - Cypriniformes - Cyprinidae - Rhinichthys - Three subspecies (CATARACTAE, DULCIS, and SMITHI) have been described; other populations probably deserve taxonomic recognition (Page and Burr 1991). Hybridizes with RHINICHTHYES OSCULUS, GILA PANDORA, and CAMPOSTOMA ANOMALUM (Sublette et al. 1990).

Ecology and Life History

Habitat Type Description

Freshwater

Migration

true - false - false

Non-migrant

true

Locally Migrant

false

Food Comments

Eats mainly benthic insects, especially Diptera and mayflies (Becker 1983, Scott and Crossman 1973); also eats algae and plant material (Sublette et al. 1990). Terrestrial insects and fish egs common in diet of adults from Lake Michigan (see Sublette et al. 1990).

Reproduction Comments

Spawns in spring and summer. Eggs hatch in about 7-10 days at 15.6 C. Sexually mature generally at age II (Becker 1983, Scott and Crossman 1973). Maximum lifespan 5 years.

Ecology Comments

Home range averaged less than 14 m of stream length in North Carolina (Hill and Grossman 1987).

Length

Conservation Status

NatureServe Global Status Rank

Global Status Last Reviewed

1996-09-17

Global Status Last Changed

1996-09-17

Other Status

Distribution

Conservation Status Map

Global Range

Widest range of any North American minnow; generally distributed north of 40 degrees north latitude from coast to coast; north to the Arctic Circle in the Mackenzie River drainage; south in the Appalachian Mountains to northern Georgia, south through the Rocky Mountains into the Rio Grande drainage of Texas and northern Mexico, and south along the Atlantic coast to Virginia; common in northern U.S., fairly common in west but absent from Alaska and from western drainages south of the Columbia and Coos river drainages (Page and Burr 1991). Subspecies <i>cataractae</i>: east of the Continental Divide. Subspecies <i>dulcis</i>: Pacific basin. Subspecies SMITHI: formerly in hot springs in Banff National Park, Alberta.

ELEMENT_GLOBAL.2.101847