Ophiuroidea | 
Amphilepidida | 
Amphiuridae
			
			
			
				Environment: milieu / climate zone / تغييرات عمق / distribution range				
				
					بوم شناسي				
				
			
			
				;  تغييرات عمق 0 - 367 m (مرجع 95072).  Temperate			
			
			
				
			
			
			
				Eastern Pacific:  Alaska to USA.
			
			
			
			
			
				Length at first maturity / Size / Weight / سن
			
			
				بلوغ: Lm ?  range ? - ? cm			
			
			
						
			
			
			
			
				
									
			
			
			
			
			
				Life cycle and mating behavior				
					بلوغ | تولید مثل | تخم ریزی | Eggs | Fecundity | Larvae				
			
			
				
					Members of the class Ophiuroidea are mostly gonochoric, others are protandric.  Fertilization is external.  Brooding is common, bursae is used as brood chambers where the embryos develop into juveniles and later crawl out from the bursal slits.  Life cycle:  Embryos hatch into free-swimming planktotrophic larvae and later metamorphose into tiny brittle stars which sink down the bottom where they grow into adult form.				
			
			
			
			
				مآخذ اصلی  				
					مراجع | هماهنگ كننده | همكاران
				
			
			
				Sept, J.D. 2008 Common seashore creatures of the Pacific Northwest. Canada, Calypso Publishing, 95p. (مرجع 94194)
			
			
			
			
			
			
			
					
						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 dynamicsرشد
Max. ages / sizes
Length-weight rel.
Length-length rel.
نوسانات طولی
Mass conversion
فراواني
  Life cycleتولید مثلبلوغFecundityتخم ریزیEggsنمو  تخمLarvae   Human RelatedStamps, coins, misc.
  				 
			 
			
			
			
				منابع اينترنتي
			
			
			
			
			
				Estimates based on models
			
			
			
									
						Preferred temperature  					
				 (Ref. 
115969): 4.6 - 8.7, mean 6.2 (based on 174 cells).			
 
			
			
			
			
			
						
						
						
			
									
						طبقه قيمت  					
					
					Unknown.