Gastropoda | 
Trochida | 
Calliostomatidae
			
			
			
				Environment: milieu / climate zone / εύρος βάθους / distribution range				
				
					Οικολογία				
				
			
			
				;  εύρος βάθους 0 - 42 m (Αναφ. 865).  Temperate			
			
			
				
			
			
			
				Eastern Pacific and the Arctic:  From Alaska to Mexico.  Tropical to boreal.
			
			
			
			
			
				Length at first maturity / Μέγεθος / Weight / Age
			
			
				Γεννητική Ωρίμανση: Lm ?  range ? - ? cm Max length : 3.0 cm SHD αρσενικό/απροσδιόριστο; (Αναφ. 865); common length : 3.5 cm SHH αρσενικό/απροσδιόριστο; (Αναφ. 312)			
			
			
							
				
				
					
						Description:  Shell is conical and colored shiny gold with iridescent purple rings (Ref. 312).					
				
				
						
			
			
			
			
				
					It has a shell height of 3.5 cm (Ref. 312). Occurs at low intertidal to subtidal levels.  Omnivorous, feeds on  kelp, detritus, diatoms, copepods, hydroids, and bryozoans.  During good weather, they like to move up the stalks of the kelp towards the sun (Ref. 312). Also in Ref. 95344.				
			
			
			
			
			
				Life cycle and mating behavior				
					Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Eggs | Γονιμότητα | Larvae				
			
			
				
					Members of the order Archaeogastropoda are mostly gonochoric and broadcast spawners.  Life cycle:  Embryos develop into planktonic trocophore larvae and later into juvenile veligers before becoming fully grown adults.				
			
			
			
			
			
				Gallivan, G. and J. Danforth 1999 Phylum Mollusca. Marine Science Institute. Http://216.239.51.104/search?q=cache:EEiLeA0OeAMJ:www2.ucsc.edu/simp/guide.pdf+Nuttalina+californica&hl=tl&gl=ph&ct=clnk&cd=8 [accessed 20/01/06] (Αναφ. 312)
			
			
			
			
			
			
			
					
						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				
				
					 Population dynamicsΑύξηση
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Αφθονία
  Life cycleΑναπαραγωγήΓεννητική ΩρίμανσηΓονιμότηταΓεννοβολίαEggsEgg developmentLarvae   PhysiologyΚατανάλωση οξυγόνου
  Human RelatedStamps, coins, misc.
  				 
			 
			
			
			
				Διαδικτυακές πηγές
			
			
			
			
			
				Estimates based on models
			
			
			
									
						Preferred temperature  					
				 (Ref. 
115969): 5.7 - 15.2, mean 9 (based on 124 cells).			
 
			
			
			
			
			
						
							
				
					
						Fishing Vulnerability  					
					
					
						Low vulnerability (10 of 100).					
				
						
						
			
									
						Price category  					
					
					Unknown.