Ascidiacea | 
Aplousobranchia | 
Holozoidae
			
			
			
				Environment: milieu / climate zone / depth range / distribution range				
				
					Ecology				
				
			
			
				Sessile; depth range 0 - 1000 m (Ref. 3435).  Temperate			
			
			
				
			
			
			
				Southwest Atlantic, Indo-Pacific and the Antarctic:  From Antarctica to sub-Antarctic and Macquarie Islands, Australia, New Zealand and South America.  Subtropical to polar.
			
			
			
			
			
				Length at first maturity / Size / Weight / Age
			
			
				Maturity: Lm ?  range ? - ? cm			
			
			
						
			
			
			
			
				
					Heads of colonies found floating in tropical plankton (Ref. 1134);  on soft bottom (Ref. 1753), sand, stone, mud and frequently under rocks on steep walls (Ref. 87801) at depths of 0 to 1000 m (Ref. 3435).				
			
			
			
			
			
				Life cycle and mating behavior				
					Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae				
			
			
				
					Members of the class Ascidiacea are hermaphroditic; both cross- and self-fertilization is typical.  Life cycle:  Eggs develop into lecithotrophic larva before metamorphosing into benthic adults.				
			
			
			
			
			
				Kott, P. 2005 Catalogue of Tunicata in Australian Waters. Queensland Museum, Brisbane, Australia Department of the Environment and Heritage. (Ref. 1134)
			
			
			
			
			
			
			
					
						IUCN Red List Status    
						 (Ref. 130435: Version 2025-1)
					
					
					
				
			
			
			
			
				CITES status   (Ref. 108899)
			
			
				
					Not Evaluated				
			
			
			
			
			
			
				
					Not Evaluated				
			
			
			
			
			
				Threat to humans  
			
			
				
									
			
			
			
			
			
			
			
			
				Human uses  
			
			
							
			
			
				 | FishSource | 			
			
			
			
			
			
Tools
			
			
			
			
				
					More information				
				
					 Trophic EcologyFood items (preys)
Diet composition
Food consumption
Predators
  Population dynamicsGrowthMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionAbundance   Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvae   PhysiologyOxygen consumption
  Human RelatedStamps, coins, misc.
  
			 
			
			
			
				Internet sources
			
			
			
			
			
				Estimates based on models
			
			
			
									
						Preferred temperature  					
				 (Ref. 
115969): 0.7 - 11.9, mean 5.4 (based on 446 cells).			
 
			
			
			
			
			
						
						
						
			
									
						Price category  					
					
					Unknown.