Overview

Comprehensive Description

Biology

Adults inhabit sand-bottomed, silt-, and sometimes gravel-bottomed pools and backwaters of small to large rivers, also occurs in lakes. Oviparous, open substratum spawners (Ref. 205, 10294, 52559).
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Distribution

occurs (regularly, as a native taxon) in multiple nations

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National Distribution

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

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Global Range: Lake Erie drainage, Ontario, New York, Pennsylvania, Ohio, and Michigan; Assiniboine River, Manitoba; Red River drainage, Manitoba, south to Minnesota; Mississippi River basin, New York, Pennsylvania, and West Virginia west to Minnesota, Nebraska, Kansas, and Oklahoma, and south to Gulf Coast; Gulf Coast drainages from Mobile Bay basin, Alabama, to Lake Pontchartrain drainage, Louisiana; isolated population in Brazos River drainage, Texas; common but seldom in large populations (Page and Burr 1991).

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North America: Lake Erie drainage; Assiniboine River in Manitoba, Canada; Red River drainage in Manitoba south to Minnesota, USA; Mississippi River basin; Gulf Coast drainages from Mobile Bay basin in Alabama to Lake Pontchartrain drainages in Louisiana, USA; in Brazos River drainage in Texas, USA.
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Physical Description

Size

Length: 23 cm

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Max. size

23.0 cm TL (male/unsexed; (Ref. 5723)); max. reported age: 4 years (Ref. 12193)
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Type Information

Syntype for Macrhybopsis storeriana
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Preparation: Dry Osteological Specimen; Photograph
Collector(s): G. Shumard
Locality: Arkansas River, near Ft. Smith, Arkansas., Sebastian County, Arkansas, United States, North America
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Ecology

Habitat

Habitat Type: Freshwater

Comments: Sand-, silt-, and sometimes gravel-bottomed pools and backwaters of small to large rivers, lakes (Page and Burr 1991). Mostly in large, often silty rivers. May move into gravelly streams with clearer water if river becomes excessively silted. May move into shallows during day. Winters in deep holes in Mississippi River. In some lakes, usually in water less than 10 m deep. In lakes, probably spawns in open waters.

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Environment

demersal; freshwater
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Migration

Non-Migrant: No. All populations of this species make significant seasonal migrations.

Locally Migrant: No. No populations of this species make local extended movements (generally less than 200 km) at particular times of the year (e.g., to breeding or wintering grounds, to hibernation sites).

Locally Migrant: No. No populations of this species make annual migrations of over 200 km.

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Trophic Strategy

Inhabits sand-bottomed, silt-, and sometimes gravel-bottomed pools and backwaters of small to large rivers. Also occurs in lakes.
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Comments: Eats various insects, crustaceans, and molluscs; feeds mostly at or near bottom (Becker 1983). Adults eat mayfly nymphs, molluscs, Daphnia, gammarids, and small fish. Young of year eat copepods, tendipedid larvae and pupae, and DAPHINIA.

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Life History and Behavior

Reproduction

Spawns late May to July in north. Few live beyond age 3.

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Macrhybopsis storeriana

The following is a representative barcode sequence, the centroid of all available sequences for this species. 

 
There are 11 barcode sequences available from BOLD and GenBank.  Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.  See the BOLD taxonomy browser for more complete information about this specimen and other sequences.
 
BCFB840-06|BCF-0553-8|Macrhybopsis storeriana| ------------------------------------------CTTTACCTAGTATTCGGTGCCTGAGCTGGAATAGTGGGAACTGCTTTA---AGCCTCCTTATTCGAGCCGAACTAAGTCAACCTGGATCACTCCTAGGTGAT---GACCAAATCTATAACGTTATTGTTACTGCCCACGCCTTCGTAATAATTTTCTTTATAGTAATGCCAATTCTTATTGGTGGATTTGGCAACTGGCTTGTACCTCTAATA---ATTGGAGCACCTGATATAGCATTCCCACGAATAAATAACATAAGTTTCTGACTCCTACCCCCGTCATTCCTATTATTATTAGCTTCTTCTGGTGTTGAAGCTGGAGCCGGGACAGGATGGACTGTTTACCCCCCACTTGCAGGTAACCTTGCCCACGCTGGGGCATCAGTAGACCTC---ACAATCTTTTCTCTTCACCTAGCAGGTGTATCGTCAATTCTAGGCGCAGTTAANNNTATTACCACAATTATTAACATGAAACCCCCAGCCATCTCCCAATATCAAACACCCCTCTTCGTGTGGGCCGTACTTGTAACCGCCGTTCTTCTACTCCTGTCACTACCCGTCCTAGCTGCC---GGAATTACTATACTTCTCACTGACCGAAATCTAAATACTACATTCTTCGACCCGGCAGGTGGAGGAGACCCAATCTTATATCAACATTTA------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 
-- end --

Download FASTA File
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Statistics of barcoding coverage: Macrhybopsis storeriana

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 11
Species: 16
Species With Barcodes: 1

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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: N3 - Vulnerable

United States

Rounded National Status Rank: N5 - Secure

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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Threats

Not Evaluated
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Wikipedia

Macrhybopsis storeriana

The Silver Chub (Macrhybopsis storeriana) is one of the 324 fish species found in Tennessee; it is also found in Lake Winnipeg.

References


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Names and Taxonomy

Taxonomy

Comments: Removed from the genus Hybopsis and placed in the resurrected genus Macrhybopsis by Mayden (1989) and Coburn and Cavender (1992); this change was adopted in the 1991 AFS checklist (Robins et al. 1991).

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