Country Species Summary

Catostomus catostomus catostomus in Canada
Longnose sucker

Catostomus catostomus catostomus (Forster, 1773)
Family:	Catostomidae (Suckers) , subfamily: Catostominae	picture (Cacat_u3.jpg) by The Native Fish Conservancy
Order:	Cypriniformes (carps)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	Longnose sucker
Max. size:	64.0 cm TL (male/unsexed; Ref. 5723); max. published weight: 3,300 g (Ref. 28924); max. reported age: 20 years
Environment:	demersal; pH range: 6.5 - 7.80000019073486; dH range: 5 - 25 ; depth range - 180 m
Climate:	temperate; 0 - 15°C; 38°N - 32°N
Global Importance:	fisheries: minor commercial; aquarium: public aquariums
Resilience:	Low, minimum population doubling time 4.5 - 14 years (tm=2-10; tm=20)
Distribution:	North America: throughout most of Canada and Alaska; Atlantic Slope south to Delaware River drainage in New York, USA; Great Lakes basin; upper Monongahela River drainage in Maryland and West Virginia, USA; Missouri River drainage south to Nebraska and Colorado, USA. Also in Arctic basin of Siberia in Russia. Occurs in Columbia River System (Molly Hallock, pers. comm.).
Diagnosis:	Dorsal spines (total): 0-0; Dorsal soft rays (total): 9-11; Anal spines: 0-0; Anal soft rays: 7-7; Vertebrae: 45-47. Distinguished by the sucking mouth located on the ventral sides of the head and thick papillose lips (Ref. 27547). Gill rakers short; lateral line complete, inconspicuous; caudal tips slightly rounded (Ref. 27547). Adults may be reddish brown, dark brassy green or black above, paler on the lower sides, with the ventral parts white; young fish are usually dark gray with small black spots; breeding males are usually dark above with a brilliant reddish stripe along each side, while females are greenish gold to copper, with a less brilliant red stripe; breeding males show prominent tubercles on the rays of the anal and caudal fins and also on the head (Ref. 27547).
Biology:	Found in clear, cold, deep water of lakes and tributary streams; occasionally found in brackish water in the Arctic (Ref. 5723). Moves from lakes into inlet streams or from slow, deep pools into shallow, gravel-bottomed portions of streams to spawn (Ref. 27547). Feeds on benthic invertebrates (Ref. 1998). Young are preyed upon by other fishes and fish-eating birds; while adults in spawning streams are taken by mammals, osprey and eagles (Ref. 1998). Utilized as a food fish or as dog food (Ref. 27547)
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:	Longnose sucker, Black sucker, Meunier rouge, Finescale sucker, Longnose sucker, Milugiak, Red-sided sucker, Sturgeon sucker	Ref: Scott, W.B. and E.J. Crossman, 1973
Status:	native	Ref:
Salinity:	freshwater, brackish
Abundance:	common (usually seen)	Ref: Page, L.M. and B.M. Burr, 1991
Importance:	minor commercial	Ref: Coker, G.A., C.B. Portt and C.K. Minns, 2001
Regulations:	no regulations	Ref:
Uses:	no uses
Comments:	Occurs throughout most of Canada (Ref. 1998). A native fishery is existing (Ref. 52559). Marketed as mullet (Ref. 27547). Has also been utilized as dog food (Ref. 1998). Also Ref. 5723.
States/Provinces:	Alberta (native) British Columbia (native) Manitoba (native) New Brunswick (native) Newfoundland and Labrador (native) Northwest Territories (native) Nunavut (native) Ontario (native) Quebec (native) Saskatchewan (native) Yukon Territory (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
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Modified: Garilao, Cristina V.

Entered: Torres, Armi G.

CGNET - US

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

	Ref.:		Glossary
		(e.g. 9948)		(e.g. cephalopods)
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