Polyplacophora | 
Chitonida | 
Mopaliidae
			
			
			
				Environment: milieu / climate zone / गहराई सीमा / distribution range				
				
					पारिस्थितिकी				
				
			
			
				;  गहराई सीमा 0 - 5 m (संदर्भ 290).  Subtropical			
			
			
				
			
			
			
				Eastern Pacific:  Alaska, Canada and Mexico.
			
			
			
			
			
				Length at first maturity / आकार / Weight / Age
			
			
				परिपक्व अवधि: Lm ?  range ? - ? cm Max length : 8.9 cm TL पुल्लिंग / अलिंग; (संदर्भ 296)			
			
			
							
				
				
					
						Girdle:  Medium wide which is sandy and profusely covered with stiff bristles.  Mucro:  Highly posterior; depressed.  Central areas:  Longitudinally ribbed with sharp nodulose ribs transversed with subtle wide obsolete ribs forming a basket weave.  Lateral areas:  Heavily beaded rib.   Inside area:  Covered with oval shaped granulations.  Color of the valves:  Grays to black; rarely, a specimen with blue or orange valves may be found.  Color of the girdle:  Cream with brownish red bristles (Ref. 296).					
				
				
						
			
			
			
			
				
					Habitat:  On rocks, especially in areas of low to moderate surf; found in estuaries (Ref. 315).  Depth Range:  0 to 5 m (Ref. 290); middle to low intertidal zones from Alaska to Mexico (Ref. 312).  Occurs at the mid tide mark.				
			
			
			
			
			
				Life cycle and mating behavior				
					परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | 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] (संदर्भ 296)
			
			
			
			
			
			
			
					
						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): 9.1 - 18, mean 10.7 (based on 193 cells).			
 
			
			
			
			
			
						
							
				
					
						Fishing Vulnerability  					
					
					
						Low vulnerability (10 of 100).					
				
						
						
			
									
						Price category  					
					
					Unknown.