Sagittoidea | 
Aphragmophora | 
Pterosagittidae
			
			
			
				Environment: milieu / climate zone / تغييرات عمق / distribution range				
				
					بوم شناسي				
				
			
			
				سطح زی;  تغييرات عمق 0 - 677 m (مرجع 116105).  Temperate; 45°N -   48°S, 98°W -   175°W			
			
			
				
			
			
			
				Cosmopolitan.
			
			
			
			
			
				Length at first maturity / Size / Weight / سن
			
			
				بلوغ: Lm ?  range ? - ? cm Max length : 1.6 cm BL جنس نر / بدون خواص جنسي; (مرجع 8281)			
			
			
						
			
			
			
			
				
					Minimum depth from Ref. 1715. Inhabits upper layers of all temperate and tropical oceanic waters (Ref. 2255).  Epipelagic (Ref. 116362, 116365) and mesopelagic (Ref. 3682).  Also in the outer continental shelf (Ref. 116105).				
			
			
			
			
			
				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
				
			
			
				Hansson, H.G. 1998 NEAT (North East Atlantic Taxa): South Scandinavian marine "Aschelminth" (except Nematoda, which are treated separately and some other species poor phyla Check-List. Internet pdf Ed., http://www.tmbl.gu.se (مرجع 429)
			
			
			
			
			
			
			
					
						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				
				
					 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): 15.9 - 28.2, mean 24.7 (based on 1746 cells).			
 
			
			
			
			
			
						
							
				
					
						Fishing Vulnerability  					
					
					
						Low vulnerability (10 of 100).					
				
						
						
			
									
						طبقه قيمت  					
					
					Unknown.