Sagittoidea |
Aphragmophora |
Sagittidae
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
سطح زی; تغييرات عمق 0 - 685 m (مرجع 116105). Temperate; 45°N - 37°N, 98°W - 20°W
Western Atlantic and west coast of Africa: USA, Brazil and India.
Length at first maturity / Size / Weight / سن
بلوغ: Lm ?  range ? - ? cm Max length : 1.1 cm BL جنس نر / بدون خواص جنسي; (مرجع 3682)
Only planktonic species raised successfully in laboratories (Ref. 2255). Neritic (Ref. 3682), on bay and nearshore (Ref. 116105). Epipelagic (Ref. 116105). Mean latitude of occurrence = 41 (N); No known presence in China (Ref. 125708).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | Eggs | Fecundity | Larvae
Members of the phylum Chaetognatha are hermaphroditic. Mating behavior: A preliminary visual signaling behavior for species recognition is observed to prevent predation. Life cycle: Eggs directly develop into miniature adults (hatchlings).
مآخذ اصلی
مراجع | هماهنگ كننده | همكاران
Bisby, F.A., M.A. Ruggiero, K.L. Wilson, M. Cachuela-Palacio, S.W. Kimani, Y.R. Roskov, A. Soulier-Perkins and J. van Hertum 2005 Species 2000 & ITIS Catalogue of Life: 2005 Annual Checklist. CD-ROM; Species 2000: Reading, U.K. (مرجع 19)
وضعيت در فهرست قرمز IUCN
(مرجع 130435: Version 2025-1)
وضعيت از نظر سايتس (مرجع 108899)
Not Evaluated
Not Evaluated
خطر برای انسان ها
استفاده انسانی
| FishSource |
ابزارها
اطلاعات بيشتر
Trophic EcologyFood items (preys)
تركيب غذايي
مصرف غذايي
شکارچیان
Population dynamicsرشدMax. ages / sizesLength-weight rel.Length-length rel.نوسانات طولیMass conversionفراواني Life cycleتولید مثلبلوغFecundityتخم ریزیEggsنمو تخمLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
منابع اينترنتي
Estimates based on models
Preferred temperature
(Ref.
115969): 22.4 - 27.5, mean 25.8 (based on 125 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
طبقه قيمت
Unknown.