More info | Plus d'info | Mais info | Fishwatchers: Add your observation | Attach your web site to this page | FishBase

English | Español | Português | Français | Deutsch | Italiano | Nederlands | Chinese      More languages...

Acrocheilus alutaceus in Canada
Chiselmouth

Go to Species Summary

Acrocheilus alutaceus   Agassiz & Pickering, 1855
Family:	Cyprinidae (Minnows or carps)			picture (Acalu_u0.jpg) by Moodie, G.E.E.
Order:	Cypriniformes  (carps)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	Chiselmouth
Max. size:	30.0 cm TL (male/unsexed; Ref. 5723)
Environment:	demersal
Climate:	temperate; 55°N - 41°N
Global Importance:	fisheries: minor commercial
Resilience:	Medium, minimum population doubling time 1.4 - 4.4 years (tm=3-4)
Distribution:	North America: Fraser and Columbia River drainages in British Columbia in Canada, Washington, Idaho, Oregon, and Nevada, USA; Harney River basin in Oregon, USA.
Diagnosis:	Description: elongated, slightly compressed body. Caudal peduncle narrow. Tail large and flaring. Lower jaw bears a sharp edge, nearly square when viewed from beneath. Sharp part of lip consist of cornified epithelium which is sometimes slightly calcified. Internal to the fleshy upper lip is a small, hard plate upon which the lower lip bears. Young fish have a more rounded lower lip, when viewed either laterally or from below. Digestive tract in adults is about twice the length of the body, with most of its length consisting of a coiled section posterior to the entry of the bile duct. The lining of the body cavity is jet black.
Biology:	Inhabits flowing pools and runs over sand and gravel in creeks and small to medium rivers; also in margins of lakes. Adults feed mainly on diatoms, also on filamentous algae; young feed on surface insects (Ref. 1998)
Threatened:	Not Evaluated, see IUCN Red List  , (Ref. 36508)
Dangerous:	harmless
Coordinator:
Main Ref:	Page, L.M. and B.M. Burr. 1991. (Ref. 5723)
Update | Add

Canada country information
Common names:	Chiselmouth, Chiselmouth, Hardmouth, Squaremouth		Ref:  Scott, W.B. and E.J. Crossman, 1973
Status:	native		Ref:
Salinity:	freshwater
Importance:	of no interest		Ref:  Coker, G.A., C.B. Portt and C.K. Minns, 2001
Regulations:	no regulations		Ref:
Uses:	no uses
Comments:	Occurs only in British Columbia (Ref. 1998, 52680). Also Ref. 5723.
States/Provinces:	British Columbia (native)
States/Provinces Complete?:	Yes
Country Information:	www.cia.gov/cia/publications/factbook/geos/ca.html
National  Fisheries  Authority:	www.ncr.dfo.ca/home_e.htm
Occurrences:	Occurrences    Point map
Main Ref:	Scott, W.B. and E.J. Crossman, 1973
Update

More information:	Countries FAO areas Occurrences Introductions Ecosystem Ecology Diet Food items Food consumption Ration Predators Ciguatera Fish loss Common names Synonyms Pictures Sounds Reproduction Maturity Spawning Eggs Egg dev. Larvae Larval dynamics References Growth L-W relationship L-L relationship Length frequencies Recruitment Max. age & size Metabolism Morphology Morphometrics Gill area Brains Vision Collaborators Genetics Allele frequencies Heritability Strains Aquaculture Aquaculture profile Diseases Ecotoxicology Processing Speed Swim. type Stamps
	Note: No data are available if label is black .
Tools:	Biogeographic modelling | Bio-Quiz | E-book | Field guide | Identification keys | Length-frequency Wizard | Life-history tool | Point map |
Internet sources:	BiOSC Point Data | CISTI | Google | GOBASE | GenBank ( genome, nucleotide ) | PubMed | Recipes | Scirus | Tree of Life | Zoological Record
	Note: use the Back button of your browser to return to FishBase.
	Modified:  Garilao, Cristina V.	Entered:  Torres, Armi G.

	Ref.:				Glossary
		(e.g. 9948)				(e.g. cephalopods)
ThisFishForum      Comments & Corrections      Sign our Guest Book
Back to Search

CGNET - US

Page created by: Eli, 20.10.03, last modified by Eli, 26.06.07