Sagittoidea |
Aphragmophora |
Krohnittidae
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
سطح زی; تغييرات عمق 0 - 677 m (مرجع 116105). Temperate; 9°C - 18°C (مرجع 1812); 45°N - 48°S, 98°W - 175°W
Circumglobal in warm and temperate regions.
Length at first maturity / Size / Weight / سن
بلوغ: Lm ? range ? - ? cm Max length : 1.7 cm BL جنس نر / بدون خواص جنسي; (مرجع 8281)
Minimum depth from Ref. 83943. Oceanic, epipelagic, circumglobal in warm and temperate regions (Ref. 2562). Also found in mesopelagic depths (Ref. 83943).
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.C. and K.C. Chidgey 1988 Chaetognatha: keys and notes fro the identification of the species. Synopses of the British Fauna (New Series). (39):72 p. (مرجع 2255)
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): 13.9 - 27.5, mean 21.2 (based on 1405 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
طبقه قيمت
Unknown.
