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Teleostei (teleosts) > Cypriniformes (Carps) > Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Pteronotropis: Greek, pteron, = fin + A misnomer given by Rafinesque to shriveled specimens, with the meaning of "back keel"; from Greek, noton = back (Ref. 45335); grandipinnis: From the greatly elevated dorsal and anal fins.
More on author: Jordan.

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

Freshwater; pelagic. Tropical

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North America: Apalachicola River drainage in Georgia, Alabama and Florida, USA (but absent in Chattahoochee River system north of Cedar Creek in Houston County, Alabama).

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 5.3 cm SL male/unsexed; (Ref. 40813); 4.9 cm SL (female)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 7 - 9; Anal soft rays: 8 - 12; Vertebrae: 35 - 37. Body deep. Nuptial males with greatly elevated dorsal and anal fins and a distal black caudal spot, deeper than long or vertically oval. Anal fin, when depressed, reaches to or beyond caudal fin base.

Inhabits sand-bottomed and silt-bottomed pools and runs of headwaters, creeks, and small rivers, Usually occurs along undercut banks and debris (Ref. 86798). Reported maximum length is 6.5 TL (Ref. 86798).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

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Suttkus, R.D. and M.F. Mettee, 2001. Analysis of four species of Notropis included in the subgenus of Pteronotropis Fowler, with comments on relationships, origin, and dispersion. Geological Survey of Alabama Bulletin No. 170. 50 p. (Ref. 40813)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Least Concern (LC) ; Date assessed: 04 August 2012

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5020 [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): 3.0 ±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).

Pteronotropis grandipinnis (Jordan, 1877)