Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Temperate; 45°N - 31°N
North America: Mississippi River basin from Ohio to Minnesota and south to southern Mississippi, northern Louisiana and southeastern Oklahoma in the USA; and on Gulf Slope in Escambia, Mobile Bay and Pearl River drainages. Now extirpated from Ohio, Kentucky, Indiana and Illinois.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 16.0 cm TL male/unsexed; (Ref. 5723); common length : 9.0 cm TL male/unsexed; (Ref. 12193); max. reported age: 3.00 years (Ref. 12193)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 10 - 17; Dorsal soft rays (total): 11 - 15; Anal soft rays: 12 - 16. Gape width 3.7-6.1% SL; preorbital blotch adjoined to or narrowly separate from anterior orbital rim; and pelvic fins not falcate; cheek scale rows 4-14, modally 11; opercle scale rows 2-13, modally 4; mid-lateral blotches 8-14, modally 10; anal-fin rays 12-16, modally 14; dorsal-fin spines 10-17, modally 14; scales below the lateral line 7-14, modally 9 (Ref. 74948).
Occurs in clean sand and gravel runs of small to medium rivers (Ref. 5723, 10294).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Assumed to be the same as A. pellucida.
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
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 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.5 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (tmax=3).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).