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: Hybognathus: Greek, ybos, -e, -on = curved + Greek, gnathos = jaw; with bulging jaw (Ref. 45335). More on author: Girard.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Subtropical; 46°N - 32°N
North America: Atlantic Slope from St. Lawrence River drainage in Quebec, Canada to Altamaha River drainage in Georgia, USA; Lake Ontario drainage in Ontario, Canada and New York, USA.
Length at first maturity / Size / Weight / Age
Maturity: Lm 8.7  range ? - ? cm
Max length : 15.0 cm TL male/unsexed; (Ref. 27549); common length : 8.8 cm TL male/unsexed; (Ref. 12193)
Occurs in pools and backwaters of low-gradient creeks and small to large rivers (Ref. 86798). Oviparous, open substratum spawners (Ref. 205, 52559). Feeds on plant material, benthic diatoms, algae and detritus (Ref. 93252).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00393 - 0.01681), b=3.13 (2.96 - 3.30), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 2.0 ±0.00 se; Based on food items.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (tm=2).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (29 of 100) .