Missouri Department of Conservation
Missouri Department of Conservation

Taxonomy

Common Name: MINNOW, CYPRESS

Phylum: CHORDATA

Class: OSTEICHTHYES

Order: CYPRINIFORMES

Family: CYPRINIDAE

Genus: HYBOGNATHUS

Species: HAYI

Taxonomic Authority: JORDAN

Taxonomy References: 002

Status

NONGAME
STATE ENDANGERED
STATE RANK S1
GLOBAL RANK G5

Status References: 006 , 010

Habitat Summary

"Inhabits sluggish pools of low-gradient streams."

Primary Habitat: "Aquatic - river/stream"

References: 001 , 004

Distribution

General Occurrence in State:

"Presently known to occur in the lower St. Francis river and Wolf Bayou *001*."

County Occurance

County Occurence
Known Likely Unknown Not Likely Historic Extirpated
DUNKLIN BOLLINGER ADAIR
PEMISCOT BUTLER ANDREW
MISSISSIPPI ATCHISON
NEW MADRID AUDRAIN
SCOTT BARRY
STODDARD BARTON
WAYNE BATES
BENTON
BOONE
BUCHANAN
CALDWELL
CALLAWAY
CAMDEN
CAPE GIRARDEAU
CARROLL
CARTER
CASS
CEDAR
CHARITON
CHRISTIAN
CLARK
CLAY
CLINTON
COLE
COOPER
CRAWFORD
DADE
DALLAS
DAVIESS
DEKALB
DENT
DOUGLAS
FRANKLIN
GASCONADE
GENTRY
GREENE
GRUNDY
HARRISON
HENRY
HICKORY
HOLT
HOWARD
HOWELL
IRON
JACKSON
JASPER
JEFFERSON
JOHNSON
KNOX
LACLEDE
LAFAYETTE
LAWRENCE
LEWIS
LINCOLN
LINN
LIVINGSTON
MACON
MADISON
MARIES
MARION
MCDONALD
MERCER
MILLER
MONITEAU
MONROE
MONTGOMERY
MORGAN
NEWTON
NODAWAY
OREGON
OSAGE
OZARK
PERRY
PETTIS
PHELPS
PIKE
PLATTE
POLK
PULASKI
PUTNAM
RALLS
RANDOLPH
RAY
REYNOLDS
RIPLEY
SALINE
SCHUYLER
SCOTLAND
SHANNON
SHELBY
ST. CHARLES
ST. CLAIR
ST. FRANCOIS
ST. LOUIS
STE. GENEVIEVE
STONE
SULLIVAN
TANEY
TEXAS
VERNON
WARREN
WASHINGTON
WEBSTER
WORTH
WRIGHT

References for distribution: 001 , 003 , 004 , 008

Distribution by Watersheds

Miss R. from Ohio R. to Arkansas Border
St. Francis R. from Wappapello Dam to Arkansas Border

Comments: ""

Distribution by Ecoregions

Mississippi River Alluvial Plains

Comments: ""

Distribution by Potential Natural Vegetation

Southern Floodplain Forest

Distribution by Natural Divisions of Missouri

Mississippi Lowlands
Mississippi Lowlands: Crowley's Ridge
Mississippi Lowlands: Lowlands

Habitat Associations

Species is associated with "Aquatic" habitats.

National Wetlands Inventory Association:

Riverine

Aquatic Associations:

"Riverine, lower perennial"

References for Aquatic Associations: 001 , 004

Habitat Types:

Permanent Stream

References for Habitat Types: 007

Terrestrial Natural Communities:

References for Terrestrial Natural Communities:

Food Habits

Trophic Level:

"Herbivore"

Larval Food Habits

Comments for larval food habits:
""

References for larval food habits:

Juvenile Food Habits

Comments for Juvenile Food Habits:
""

References Juvenile Food Habits

Adult Food Habits

Algae; Not Specified
Detritus (organic); Not Specified

Comments for Adult Food Habits:
""

References Adult Food Habits 011

Niche Requirements

Egg Niche Requirements

References for egg niches requirements:

Feeding Larvae Niche Requirements

References for feeding larvae niche requirements:

Resting Larvae Niche Requirements

References for resting Larvae niche requirements:

Feeding Juvenile Niche Requirements

Gradient: low
Water level: permanently flooded
Inland wetlands: permanent stream
General habitat association specified in comments(00270)
Natural features: pools

References for feeding juvenile niche requirements: 001 , 004

Resting Juvenile Niche Requirements

General habitat association specified in comments(00270)

References for resting juvenile niche requirements: 001 , 004

Breeding Adult Niche Requirements

Bottom type: mud or silt
Bottom type: sand
Bottom type: organic debris
Gradient: low
Current velocity: no noticable current
Water level: permanently flooded
Inland wetlands: slough, bayou
Inland wetlands: permanent stream
Inland wetlands: oxbow
Inland wetlands: backwaters
Stream order: sixth order stream
General habitat association specified in comments(00270)
Natural features: pools

References for feeding Adult niche requirements: 001 , 011

Feeding Adult Niche Requirements

Gradient: low
Water level: permanently flooded
Inland wetlands: slough, bayou
Inland wetlands: permanent stream
Stream order: sixth order stream
General habitat association specified in comments(00270)
Natural features: pools

References for feeding adult niche requirements: 001 , 003 , 004

Resting Adult Niche Requirements

Gradient: low
Water level: permanently flooded
Inland wetlands: slough, bayou
Inland wetlands: permanent stream
Stream order: sixth order stream
General habitat association specified in comments(00270)
Natural features: pools

References for resting adult niche requirements: 001 , 003 , 004

Niche Requirement Summary

Bottom type: mud or silt
Bottom type: organic debris
Bottom type: sand
Current velocity: no noticable current
General habitat association specified in comments(00270)
Gradient: low
Inland wetlands: backwaters
Inland wetlands: oxbow
Inland wetlands: permanent stream
Inland wetlands: slough, bayou
Natural features: pools
Stream order: sixth order stream
Water level: permanently flooded

Comments about Life History:

Code Comment
012 Spawning site information unavailable.
007 In KY, gravid females were collected in April *011*.
022 Both males and females mature at 1 year *011*.
038 Length at one year 2.2-3" standard length *011*.
041 Fecundity in KY study 1500-2500 eggs *011*.

Life History Information

Age and growth information specified in comments(038)
Fecundity specified in comments(041)
Origin in state: native
Seasonal distribution in state: all seasons
Foraging strategy: grazing
Foraging sites: water
Breeding season specified in comments(007)
Spawning site specified in comments(012)
Age at sexual maturity specified in comments(022)

Comments about Life History:

Code Comment
012 Spawning site information unavailable.
007 In KY, gravid females were collected in April *011*.
022 Both males and females mature at 1 year *011*.
038 Length at one year 2.2-3" standard length *011*.
041 Fecundity in KY study 1500-2500 eggs *011*.

References for life history: 004 , 011

Management

Beneficial Management Practices:

Beneficial Management References:

Adverse Managment Practices:

Adverse Management References:

Comments on Management:

References for Management Comments:

References

Reference Code Citation
001 Pflieger, W.L. 1997. The Fishes Of Missouri, Revised Editon. Mo Dept. Of Conservation. Jefferson City, Mo. 372 Pp.
002 Nelson, Joseph S., Edwin J. Crossman, Héctor Espinosa-Pérez, Lloyd T. Findley, Carter R. Gilbert, Robert N. Lea, and James D. Williams. 2004. Common And Scientific Names Of Fishes From The United States, Canada and Mexico (6th Ed.). Amer. Fish Soc. Spec. Publ. No. 29. 386 pp.
003 Unpb Pflieger, W.L. The Stream Resources Of Missouri. D-J Project F-1-R-28. Study S-20. Mo Dept. Of Conserv. 1110 S. College Ave. Columbia, Mo 65201. (573-882-9880).
004 Unpb Pflieger, W.L. Mo Dept. Of Conserv. 1110 S. College Ave. Columbia Mo 65201. (573-882-9880).
005 Thom, R.H. and J.H. Wilson. 1980 The Natural Divisions Of Missouri. Trans. Mo Acad. Sci. 14:9-24.
006 Checklist Of Rare And Endangered Species Of Missouri. 1991. Mo Dept. Of Conservation. Jefferson City, Mo. 44 Pp.
007 Kelly, G. (Ed.) 1986. Animal Habitat Relations Handbook. Mo Dept. Of Conservation and U.S.D.A. Forest Service. Jefferson City, Mo. 293 Pp.
008 Unpb Missouri Department of Conservation Heritage Database. P.O. Box 180, Jefferson City, Mo 65102.
009 Pflieger, W.L. 1989. Aquatic Community Classification System For Missouri. Mo Dept. Of Conservation. Aquatic Series No. 19. 70 Pp + Supplement.
010 Missouri Natural Heritage Program. 2004. Missouri Species and Communities of Conservation Concern Checklist. Missouri Department Of Conservation. Jefferson City, Missouri. 47 Pp.
011 Warren, M.L. Jr. and B.M. Burr. 1989. Distribution, Abundance, And Status Of The Cypress Minnow, Hybognathus Hayi, And Endangered Illinois Species. Nat. Areas Jour. 9(3):163-168.