Hexactinellida | 
Amphidiscosida | 
Hyalonematidae
			
			
			
				Environment: milieu / climate zone / djupintervall / distribution range				
				
					Ekologi				
				
			
			
				;  djupintervall 2927 - 2929 m (Ref. 87472).  Polar			
			
			
				
			
			
			
				Antarctic Indian Ocean:  Kerguelen and Crozet Island.
			
			
			
			
			
				Length at first maturity / Size / Weight / Age
			
			
				Könsmognad: Lm ?  range ? - ? cm			
			
			
						
			
			
			
			
				
									
			
			
			
			
			
				Life cycle and mating behavior				
					Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae				
			
			
				
					Members of the class Hexactinellida are hermaphroditic.  Life cycle:  The zygote develops into trichimella larva (free-swimming) before settling down on a substrate where it grows into a young sponge.				
			
			
			
			
			
				Janussen, D., K.R. Tabachnick and O.S. Tendal 2004 Deep-sea Hexactinellida (Porifera) of the Weddell Sea. Deep-Sea Research II 51:1857-1882. (Ref. 87472)
			
			
			
			
			
			
			
					
						IUCN Red List Status    
						 (Ref. 130435: Version 2025-1)
					
					
					
				
			
			
			
			
				CITES status   (Ref. 108899)
			
			
				
					Not Evaluated				
			
			
			
			
			
			
				
					Not Evaluated				
			
			
			
			
			
				Threat to humans  
			
			
				
					  Harmless				
			
			
			
			
			
			
			
			
				Human uses  
			
			
							
			
			
				 | FishSource | 			
			
			
			
			
			
Verktyg
			
			
			
			
				
					Ytterligare information				
				
					 Trophic EcologyFood items (preys)
Födosammansättning
Födointag
Predatorer
  Population dynamicsTillväxt
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundans
  PhysiologySyreförbrukning
  Human RelatedStamps, coins, misc.
  
			 
			
			
			
				Internet-källor
			
			
			
			
			
				Estimates based on models
			
			
			
									
						Preferred temperature  					
				 (Ref. 
115969): 1 - 2.1, mean 1.3 (based on 151 cells).