Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Temperate; 45°N - 34°N
North America: Atlantic Slope from Hudson River drainage in New York to Peedee River drainage in South Carolina, USA; isolated records in Lake Ontario drainage in New York.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 11.0 cm TL male/unsexed; (Ref. 86798); common length : 7.0 cm TL male/unsexed; (Ref. 12193); max. reported age: 4 years (Ref. 12193)
Inhabits rocky and sandy pools and runs of creeks and small to medium rivers. Occasionally found in headwaters and large rivers (Ref. 86798).
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. 126983)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82804
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00501 (0.00237 - 0.01060), b=3.13 (2.95 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.2 ±0.40 se; based on food items.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (tmax=4; Fec=3,268).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (20 of 100).