United States (contiguous states) country information

Common names: Mobile chub
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known only from larger rivers of Mobile Bay basin in Alabama and Mississippi (Alabama, Cahaba, Coosa and Tallapoosa), where confined below Fall Line. The construction of the Tenn-Tom waterway, which has altered the original free-flowing Tombigbee River into a series of standing pools has posed threat by eliminating this species from a major porton of its original geograpic range. A close monitoring of this species throughout the remaining parts of its range is suggested (Ref. 116539).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/us.html
National Fisheries Authority: http://www.nmfs.gov
Occurrences: Occurrences Point map
Main Ref: Gilbert, C.R., R.L. Mayden and S.L. Powers, 2017
National Database:

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> Cypriniformes (Carps) > Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Macrhybopsis: Greek, makros = great + Greek, ybos, -e, -on = rounded + Greek, opsis = appearance (Ref. 45335); boschungi: Named after the late Dr. Herbert T. Boschung, Emeritus Professor of Biology at the University of Alabama, for his many contributions over the years to southeastern ichthyology in general and the state of Alabama in particular, including co-authorship of Fishes of Alabama (Boschung & Mayden 2004)..

Environment: milieu / climate zone / depth range / distribution range Ecologie

; zoet water benthopelagisch. Subtropical

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North America: endemic to the lower Mobile basin of Alabama and northeastern Mississippi, USA.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 4.7 cm SL mannelijk / geslacht onbekend; (Ref. 116539); 5.7 cm SL (female)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale zachte stralen (totaal) : 8; Anale zachte stralen: 7 - 8; Wervels: 34 - 37.

Occurs in larger, moderately clear to turbid rivers and the lowermost parts of their major tributaries below the Fall Line in the Mobile Bay basin. These areas have moderate to strong water current and bottom comprising of a combination of gravel, sand and silt. Inhabits sympatrically with Macrhybopsis etnieri (with no evidence of hybridization) over a 40-km section of middle Cahaba River in Fall Line area of Alabama (Ref. 116539).

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Gilbert, C.R., R.L. Mayden and S.L. Powers, 2017. Morphological and genetic evolution in eastern populations of the Macrhybopsis aestivalis complex (Cypriniformes: Cyprinidae), with the descriptions of four new species. Zootaxa 4247(5):501-555. (Ref. 116539)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet geëvalueerd

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00501 (0.00232 - 0.01084), b=3.13 (2.94 - 3.32), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 3.2 ±0.4 se; based on size and trophs of closest relatives

Weerstandsvermogen (Ref. 120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Macrhybopsis boschungi Gilbert & Mayden, 2017