Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري; المياه العذبة; مياه مخلوطة القاع; مهاجرة بين الياه الملحه و الحلوة لكن ليس للتزاوج (Ref. 40808); نطاق العمق 0 - 75 m (Ref. 57178), usually 50 - 60 m (Ref. 51483). Subtropical; 5°C - 22°C (Ref. 13614); 43°N - 9°N, 79°W - 74°W (Ref. 57273)
Western Central Atlantic: Massachusetts to Florida, throughout the Gulf of Mexico, to Panama.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 20.0 cm TL ذكر/ مختلط الجنس; (Ref. 7251); common length : 11.0 cm TL ذكر/ مختلط الجنس; (Ref. 12193); العمر: 7 سنين (Ref. 51483)
Adults inhabit coastal waters. They also enter fresh waters, going hundreds of miles upstream. Migrate downstream to spawn in spring (Ref. 36739). Larvae move upstream after hatching (Ref. 36739). Minimum depth reported taken from Ref. 57178.
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)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
مصائد: غير ذات اهمية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 11.4 - 24.5, mean 17.2 °C (based on 60 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01318 (0.00764 - 0.02276), b=3.07 (2.92 - 3.22), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Generation time: 5.6 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (tm=1; tmax=7; K=0.21(?)).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (37 of 100).
Nutrients (Ref.
124155): Calcium = 110 [48, 247] mg/100g; Iron = 0.938 [0.463, 1.756] mg/100g; Protein = 18.2 [16.8, 19.5] %; Omega3 = 0.226 [0.110, 0.434] g/100g; Selenium = 19.6 [9.7, 42.5] μg/100g; VitaminA = 16 [5, 56] μg/100g; Zinc = 0.964 [0.630, 1.421] mg/100g (wet weight);
