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Ammodytes americanus, American sand lance : fisheries
পৃষ্ঠীয় কাঁটা (মোট ) : 0; পৃষ্ঠীয় নরম পাখনা দন্ড (মোট ) : 52 - 61; পায়ূ কাঁটা : 0; পায়ূর নরম পাখনা্তুন্ড: 26 - 33; কশেরুকা : 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. Body shape (shape guide): elongated.
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)
আইইউসিএন রেড লিস্টের অবস্থা (Ref. 130435: Version 2025-2 (Global))
পছন্দের তাপমাত্রা (সূত্র 123201): 2.7 - 14.2, mean 7.9 °C (based on 128 cells).
ফাইলোজেনেটিক বৈচিত্র্য সূচক (সূত্র 82804): PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00209 (0.00125 - 0.00349), b=3.14 (3.00 - 3.28), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
ট্রফিক পর্যায়ে (সূত্র 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.
স্থিতিস্থাপক (সূত্র 120179): মাধ্যম , সর্বনিম্ন প্রজন দ্বিগুনের সময় ১.৪-৪.৪ বৎসর (Preliminary K or Fecundity.).
মাছ ধরার ঝুঁকিপূর্ণতা (Ref. 59153): Moderate vulnerability (37 of 100). 🛈
