Polyplacophora | 
Chitonida | 
Mopaliidae
			
			
			
				Environment: milieu / climate zone / djupintervall / distribution range				
				
					Ekologi				
				
			
			
				;  djupintervall 0 - 10 m (Ref. 290).  Subtropical			
			
			
				
			
			
			
				Eastern Pacific:  Canada, Alaska and USA.
			
			
			
			
			
				Length at first maturity / Size / Weight / Age
			
			
				Könsmognad: Lm ?  range ? - ? cm Max length : 5.7 cm TL hane/ej könsbestämd; (Ref. 296)			
			
			
							
				
				
					
						Girdle:  moderate width; color, buff to brown.   Girdle:  Randomly covered with minute, separated spicules with 10-12 thin hairs which are also located at suture and end valves; in addition there are scattered coarse bristles bearing smaller secondary bristles.  Color of the valves:  Turquoise-blue with orange-red zig-zag bands, green, tan with red markings or any variation of these (Ref. 296).					
				
				
						
			
			
			
			
				
					Depth based on occurrence record; to be replaced with better reference. Often found where there is an active current flow or tidal wash; on the undersides of boulders.  May be covered with encrusting sponges, colonial tunicates, coral, bryozoans, and/or encrusting coralline algae; usually not found in association with M. ciliata (Ref. 290).				
			
			
			
			
			
				Life cycle and mating behavior				
					Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae				
			
			
				
					Members of the class Polyplacophora are mostly gonochoric.  Life cycle:  Eggs hatch into lecitotrophic planktonic trocophore larvae (no veliger stage) which later metamorphose and settle on the bottom as young adults.				
			
			
			
			
			
				Burghardt, G. and L. Burghardt 2006 West Coast Chitons. A Gallery of Worlwide Chitons: http://home.inreach.com/burghart/wcoast.html[accessed20/01/06] (Ref. 296)
			
			
			
			
			
			
			
					
						IUCN Red List Status    
						 (Ref. 130435: Version 2025-1)
					
					
					
				
			
			
			
			
				CITES status   (Ref. 108899)
			
			
				
					Not Evaluated				
			
			
			
			
			
			
				
					Not Evaluated				
			
			
			
			
			
				Threat to humans  
			
			
				
									
			
			
			
			
			
			
			
			
				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): 6.8 - 12.4, mean 9.2 (based on 295 cells).			
 
			
			
			
			
			
						
							
				
					
						Fishing Vulnerability  					
					
					
						Low vulnerability (10 of 100).					
				
						
						
			
									
						Price category  					
					
					Unknown.