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Atheriniformes (Silversides) >
Atherinopsidae (Neotropical silversides) > Menidiinae
Etymology: Menidia: Greek, menoeides, -es, -es = like a half noon shape (Ref. 45335); beryllina: beryllina meaning emerald color (Ref. 10294).
More on author: Cope.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina; sötvatten; brackvatten pelagic-neritic; ej vandrande (Ref. 126106); djupintervall 0 - 30 m (Ref. 108940). Subtropical; 42°N - 25°N, 98°W - 70°W
Western Atlantic: Massachusetts to southern Florida in USA and around Gulf of Mexico to northeastern Mexico.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 15.0 cm TL hane/ej könsbestämd; (Ref. 5723); common length : 7.8 cm TL hane/ej könsbestämd; (Ref. 12193); rapporterad maxålder: 2.00 år (Ref. 72478)
Mjukstrålar i analfenan: 16 - 19; Ryggkotor: 38 - 42.
Body shape (shape guide): elongated.
A brackish/marine species that ascends rivers (Ref. 86798). In fresh water, usually occurs at the surface of clear, quiet water over sand or gravel. Some landlocked populations, many of which have been established in impoundments as forage for sport fishes, reproduce in fresh water (Ref. 5723). Feeds on zooplankton (Ref. 10294), invertebrates, fish eggs and larvae and diatoms (Ref. 93252).
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))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: kommersiell
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Särskilda rapporter
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00537 (0.00239 - 0.01205), b=3.09 (2.90 - 3.28), 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 |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (tmax=1). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (14 of 100). 🛈 |
Priskategori (Ref. 80766) |
Unknown.
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Näringsämnen (Ref. 124155) |
Calcium = 206 [121, 411] mg/100g; Iron = 2.03 [1.22, 3.31] mg/100g; Protein = 19.2 [16.9, 21.9] %; Omega3 = 0.373 [0.168, 0.930] g/100g; Selenium = 16.1 [7.7, 34.4] μg/100g; VitaminA = 24 [9, 63] μg/100g; Zinc = 1.42 [0.99, 2.00] mg/100g (wet weight); |