Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري; مياه مخلوطة القاع; نطاق العمق 0 - 73 m (Ref. 57178). Temperate; 62°N - 35°N, 82°W - 3°W (Ref. 57356)
Northwest Atlantic: southern Delaware north to Labrador.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 9.0, range 7 - ? cm
Max length : 23.5 cm TL ذكر/ مختلط الجنس; (Ref. 5951)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
الأشواك الظهرية (المجموع) : 0; الأشعة الظهرية الناعمة (المجموع) : 52 - 61; شوكة شرجية: 0; أشعه شرجية لينه: 26 - 33; فقرات: 62 - 70. Number of lateral plicae 106-126, with a mean of 117.4. Best separated from A. dubius by the number of plicae singly or in combination with the number of vertebrae.
Found in shallow coastal waters as well as in protected bays and estuaries (Ref. 10198). Occurs in large schools and burrows in the sand at times to a depth of several inches. Feeds primarily on copepods (Ref. 27549).
Nizinski, M.S., B.B. Collette and B.B. Washington, 1990. Separation of two species of sand lances, Ammodytes americanus and A. dubius, in the western North Atlantic. Fish. Bull. 88:241-255. (Ref. 10198)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
مصائد: فوائد محتملة
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 2.7 - 14.2, mean 7.9 °C (based on 128 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00204 (0.00128 - 0.00325), b=3.16 (3.03 - 3.29), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.2 ±0.0 se; based on diet studies.
Generation time: 4.6 ( 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 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (37 of 100).
Nutrients (Ref.
124155): Calcium = 60.3 [31.5, 129.4] mg/100g; Iron = 0.414 [0.224, 0.729] mg/100g; Protein = 19 [18, 20] %; Omega3 = 0.421 [0.214, 0.762] g/100g; Selenium = 10.4 [4.7, 22.7] μg/100g; VitaminA = 30.5 [10.1, 92.3] μg/100g; Zinc = 0.845 [0.569, 1.247] mg/100g (wet weight);
