Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Macrhybopsis: Greek, makros = great + Greek, ybos, -e, -on = rounded + Greek, opsis = appearance (Ref. 45335); pallida: The specific name pallida is in reference to the generally pallid body pigmentation characteristic
of this species.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Subtropical
North America: endemic to the Escambia, Blackwater, and Choctawhatchee river
drainages of southeastern Alabama and western panhandle Florida, USA.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.8 cm SL male/unsexed; (Ref. 116539); 5.2 cm SL (female)
Short description
Identification keys | Morphology | Morphometrics
Occurs in shallow unimpounded rivers with bottoms consisting of sand and gravel, combined with occasional small rubble, and water clarity ranges from relatively clear to moderately turbid (Ref. 116539).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00501 (0.00242 - 0.01036), b=3.11 (2.92 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).