Sagittoidea |
Aphragmophora |
Sagittidae
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
سطح زی; تغييرات عمق 0 - 25 m (مرجع 1799), usually 0 - 25 m (مرجع 1799). Polar; -1°C - 21°C (مرجع 1705); 82°N - 30°N, 0°E - 0°E
Circum-Arctic. Temperate to polar.
Length at first maturity / Size / Weight / سن
بلوغ: Lm ?  range ? - ? cm Max length : 3.0 cm BL جنس نر / بدون خواص جنسي; (مرجع 3682)
Mean latitude of occurrence = 56 (N); No known presence in China (Ref. 125708). Epiplanktonic. Feeds on copepods and fish larvae.
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
Pierrot-Bultz, A. 2004 Chaetognatha of the world: Sagita oceanica. Zoological Museum, University of Amsterdam. http://species-identification.org/species.php?species_group=chaetognatha&selected=beschrijving&menuentry=soorten&id=98 [Accessed 27/11/14]. (مرجع 3682)
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
Life cycleتولید مثلبلوغFecundityتخم ریزیEggsنمو تخمLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
منابع اينترنتي
Estimates based on models
Preferred temperature
(Ref.
115969): 0.2 - 12.3, mean 2.6 (based on 2107 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
طبقه قيمت
Unknown.