Macrhybopsis aestivalis  (Girard, 1856)

Speckled chub
Upload your photos and videos
 Pictures | Google image
Image of Macrhybopsis aestivalis (Speckled chub)
Macrhybopsis aestivalis
Picture by Shattuck, Z.R.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > Leuciscinae
Etymology: Macrhybopsis: Greek, makros = great + Greek, ybos, -e, -on = rounded + Greek, opsis = appearance (Ref. 45335);  aestivalis: aestivalis -- of the summer (Ref. 10294).

Environment / Climate / Range Ecology

Freshwater; demersal.   Subtropical; 46°N - 26°N

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 7.6 cm TL male/unsexed; (Ref. 5723); common length : 6.1 cm TL male/unsexed; (Ref. 12193); max. reported age: 1 years (Ref. 12193)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions | Faunafri

North America: Mississippi River basin from Ohio and West Virginia west to Minnesota and Nebraska, USA and south to Gulf Coast; Gulf Coast drainages from Choctawhatchee River in Alabama and Florida to Rio Grande in Texas and New Mexico, USA, and Mexico.

Biology     Glossary (e.g. epibenthic)

Inhabits sand and gravel runs of small to large rivers (Ref. 5723, 10294). Feeds on aquatic insect larvae dominated by midges (Ref. 10294).

Main reference Upload your references | References | Coordinator | Collaborators

Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. Common and scientific names of fishes from the United States and Canada. Am. Fish. Soc. Spec. Pub. (20):183 p.

IUCN Red List Status (Ref. 90363)

  Not Evaluated 

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki | Sea Around Us

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration
Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion
Collaborators
Pictures
Stamps, Coins
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

E-book | Field guide | Length-frequency wizard | Life-history tool | Point map | Classification Tree | Catch-MSY |

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

Download XML

Summary page | Point data | Common names | Photos

Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5039   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00774 (-0.13318 - 0.14865), b=2.98 (2.90 - 3.06), based on LWR estimates for species & family-BS (Ref. 93245).
Trophic Level (Ref. 69278):  3.2   ±0.40 se; Based on food items.
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months (tmax=1).
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .
Price category (Ref. 80766):   Unknown.