Actinopteri (ray-finned fishes) > 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
Freshwater; pelagic. Tropical
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: Lm ?  range ? - ? cm
Max length : 5.3 cm SL male/unsexed; (Ref. 40813); 4.9 cm SL (female)
Morphology | Morphometrics
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
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. 125652)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00501 (0.00237 - 0.01060), b=3.13 (2.94 - 3.32), in cm total length, based on LWR estimates for this Subfamily-BS (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) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .