Ascidiacea | 
Stolidobranchia | 
Pyuridae
			
			
			
				Environment: milieu / climate zone / गहराई सीमा / distribution range				
				
					पारिस्थितिकी				
				
			
			
				;  गहराई सीमा 0 - 5000 m (संदर्भ 1747).  Polar			
			
			
				
			
			
			
				Antarctic Atlantic and Southeast Pacific:  From Antarctica to South America.
			
			
			
			
			
				Length at first maturity / आकार / Weight / Age
			
			
				परिपक्व अवधि: Lm ?  range ? - ? cm Max length : 10.0 cm WD पुल्लिंग / अलिंग; (संदर्भ 2588)			
			
			
						
			
			
			
			
				
					Minimum depth from Ref. 3435. Occurs from 75 to 4636 m (Ref. 1747), from 50 to 4636 m, a eurybathic species.  It reaches 10 cm in diameter (Ref. 2588).				
			
			
			
			
			
				Life cycle and mating behavior				
					परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | 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.				
			
			
			
			
			
				Young, C.M. and E. Vazquez 1995 Morphology, larval development, and distribution of Bathypera feminalba n.sp. (ascidiacea: pyuridae), a deep-water ascidian from the fjords and sounds of British Columbia. Invertebrate Biology 114(1):89-106. (संदर्भ 1747)
			
			
			
			
			
			
			
					
						IUCN Red List Status    
						 (संदर्भ 130435: Version 2025-1)
					
					
					
				
			
			
			
			
				CITES status   (संदर्भ 108899)
			
			
				
					Not Evaluated				
			
			
			
			
			
				CMS (संदर्भ 116361)
			
			
				
					Not Evaluated				
			
			
			
			
			
				Threat to humans  
			
			
				
									
			
			
			
			
			
			
			
			
				Human uses  
			
			
							
			
			
				 | FishSource | 			
			
			
			
			
			
साधन
			
			
			
			
				
					अधिक जानकारी				
				
					 Trophic EcologyFood items (preys)
संघटक आहार
आहार खपत
परभक्षी
  Population dynamicsबाढ़
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
बहुतायत
  Life cycleपुनरुत्पत्तिपरिपक्व अवधिFecundityमछलीऔ का अंडे देनाEggsEgg developmentLarvae   PhysiologyOxygen consumption
  Human RelatedStamps, coins, misc.
  
			 
			
			
			
				इंटरनेट स्रोत
			
			
			
			
			
				Estimates based on models
			
			
			
									
						Preferred temperature  					
				 (Ref. 
115969): -1.2 - 2.5, mean 0.7 (based on 1332 cells).			
 
			
			
			
			
			
						
							
				
					
						Fishing Vulnerability  					
					
					
						Low vulnerability (10 of 100).					
				
						
						
			
									
						Price category  					
					
					Unknown.