Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bottenlevande; flodvandrande (Ref. 126106). 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.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 16.0 cm TL hane/ej könsbestämd; (Ref. 5723); common length : 9.0 cm TL hane/ej könsbestämd; (Ref. 12193); rapporterad maxålder: 3.00 år (Ref. 12193)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 10 - 17; Mjukstrålar i ryggfenan (totalt) : 11 - 15; Mjukstrålar i analfenan: 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).
Body shape (shape guide): elongated.
Adults occur in clean sand and gravel runs of small to medium rivers (Ref. 5723, 10294).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Harmless
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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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). |
Trofisk nivå (Ref. 69278) |
3.5 ±0.4 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (tmax=3). |
Sårbarhet i fisket (Ref. 59153) |
Low to moderate vulnerability (29 of 100). 🛈 |