Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bottenlevande; djupintervall 0 - 6 m (Ref. 91780). Subtropical; 40°N - 26°N
Western Atlantic: Maryland to Texas in USA, but absent from eastern Florida (Cape Canaveral to Cape Sable).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 6.4 cm TL hane/ej könsbestämd; (Ref. 63669); common length : 4.3 cm TL hane/ej könsbestämd; (Ref. 12193)
Distinguished by the following characteristics: general body color is light grey-brown, typically have areas of very bright iridescent blue and/or yellow; body is laterally compressed; large, nearly vertical mouth; completely scaled body; first dorsal with VII spines; ventral fins are united (Ref. 92840).
Body shape (shape guide): elongated.
Inhabits mangrove streams with very fine silt-mud substrate (Ref. 92840).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00741 (0.00346 - 0.01589), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.2 ±0.3 se; based on size and trophs of closest relatives |
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Generation time |
0.8 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (K>1). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |