Hydrozoa | 
Anthoathecata | 
Bougainvilliidae
			
			
			
				Environment: milieu / climate zone / εύρος βάθους / distribution range				
				
					Οικολογία				
				
			
			
				;  εύρος βάθους 0 - 100 m (Αναφ. 116516).  Polar			
			
			
				
			
			
			
				Arctic, Northern Atlantic and Pacific Ocean.  Mostly polar, but also subtropical and boreal.
			
			
			
			
			
				Length at first maturity / Μέγεθος / Weight / Age
			
			
				Γεννητική Ωρίμανση: Lm ?  range ? - ? cm Max length : 0.9 cm WD αρσενικό/απροσδιόριστο; (Αναφ. 2992)			
			
			
							
				
				
					
						Bell measures 10 mm high and wide; manubrium varies from pink to white, with 4 very distinctive dichotomously-branched oral tentacles; 4 radial canals; 4 tentacle bulbs, each bearing similar tentacles (<60) and with its own dark ocellus; transparent umbrella (Ref. 2376).					
				
				
						
			
			
			
			
				
					Neritic (Ref. 120409).  Found on bay and nearshore (Ref. 116013).  Colonial (Ref. 19).  Fairly short-lived, occurring in late spring or summer and feeding especially on barnacle nauplii; preyed on by Aequorea sp. and other medusivorous hydromedusae (Ref. 2376).  Also on hard substrate (Ref. 116013).				
			
			
			
			
			
				Life cycle and mating behavior				
					Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Eggs | Γονιμότητα | Larvae				
			
			
				
					Species exhibits both asexual and sexual reproduction by budding during hydroid stage and release of gametes in medusae stages (Ref. 1663, p. 12, 16).				
			
			
			
			
			
				Cairns, S.D., D.R. Calder, A. Brinckmann-Voss, C.B. Castro, D.G. Fautin, P.R. Pugh, C.E. Mills, W.C. Jaap, M.N. Arai, S.H.D. Haddock and D.M. Opresko 2003 Common and Scientific Names of Aquatic Invertebrates from the United States and Canada: Cnidaria and Ctenophore, Second Edition. American Fisheries Society Special Publication, no,28. XI+115. With CD-ROM. (Αναφ. 1663)
			
			
			
			
			
			
			
					
						IUCN Red List Status    
						 (Αναφ. 130435: Version 2025-1)
					
					
					
				
			
			
			
			
				CITES status   (Αναφ. 108899)
			
			
				
					Not Evaluated				
			
			
			
			
			
			
				
					Not Evaluated				
			
			
			
			
			
				Threat to humans  
			
			
				
									
			
			
			
			
			
			
			
			
				Human uses  
			
			
							
			
			
				 | FishSource | 			
			
			
			
			
			
Εργαλεία
			
			
			
			
				
					Περισσότερες πληροφορίες				
				
					 Τροφική ΟικολογίαFood items (preys)
Σύσταση δίαιτας
Κατανάλωση τροφής
Θηρευτές
  Life cycleΑναπαραγωγήΓεννητική ΩρίμανσηΓονιμότηταΓεννοβολίαEggsEgg developmentLarvae   PhysiologyΚατανάλωση οξυγόνου
  Human RelatedStamps, coins, misc.
  
			 
			
			
			
				Διαδικτυακές πηγές
			
			
			
			
			
				Estimates based on models
			
			
			
							
			
			
			
			
			
						
							
				
					
						Fishing Vulnerability  					
					
					
						Low vulnerability (10 of 100).					
				
						
						
			
									
						Price category  					
					
					Unknown.