Hydrozoa | 
Leptothecata | 
Sertulariidae
			
			
			
				Environment: milieu / climate zone / تغييرات عمق / distribution range				
				
					بوم شناسي				
				
			
			
				نزديك كف زي;  تغييرات عمق 2599 - 4026 m (مرجع 7414).  Polar			
			
			
				
			
			
			
				Antarctic Atlantic:  Antarctica (Scotia Sea).
			
			
			
			
			
				Length at first maturity / Size / Weight / سن
			
			
				بلوغ: Lm ?  range ? - ? cm Max length : 7.5 cm H جنس نر / بدون خواص جنسي; (مرجع 7414)			
			
			
							
				
				
					
						Colonies up to 7.5 cm high, fan-shaped and strongly polysiphonic. Hydrorhiza disc-shaped. Branching frequent, irregular or alternate, and in one plane. Branches strongly constricted at their origin.					
				
				
						
			
			
			
			
				
					Length based on colonies height.  Depth based on occurrence record; to be replaced with better reference.				
			
			
			
			
			
				Life cycle and mating behavior				
					بلوغ | تولید مثل | تخم ریزی | Eggs | Fecundity | Larvae				
			
			
				
					Members of the order Leptothecata include L-form hydroids.  Life cycle:  The zygote develops into planula and later into polyp then into free-swimming medusa.				
			
			
			
			
				مآخذ اصلی  				
					مراجع | هماهنگ كننده | همكاران
				
			
			
				Peña Cantero, A.L. and W. Vervoort 2003 Species of Staurotheca Allman, 1888 (Cnidaria; Hydrozoa: Sertulariidae) from US Antarctic expeditions, with the description of three new species. Journal of Natural History 37:2653-2722. (مرجع 7414)
			
			
			
			
			
			
			
					
						وضعيت در فهرست قرمز IUCN    
						 (مرجع 130435: Version 2025-1)
					
					
					
				
			
			
			
			
				وضعيت از نظر سايتس   (مرجع 108899)
			
			
				
					Not Evaluated				
			
			
			
			
			
			
				
					Not Evaluated				
			
			
			
			
			
				خطر برای انسان ها  
			
			
				
					  Harmless				
			
			
			
			
			
			
			
			
				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
			
			
			
							
			
			
			
			
			
						
							
				
					
						Fishing Vulnerability  					
					
					
						Low vulnerability (10 of 100).