Bivalvia | 
Venerida | 
Mactridae
			
			
			
				Environment: milieu / climate zone / depth range / distribution range				
				
					Ecology				
				
			
			
				Benthic; depth range 0 - 50 m (Ref. 95344).  Temperate; 61°N -   22°N, 156°W -   109°W			
			
			
				
			
			
			
				Eastern Pacific:  from Alaska to Baja California, Mexico.
			
			
			
			
			
				Length at first maturity / Size / Weight / Age
			
			
				Maturity: Lm 6.8  range ? - ? cm Max length : 25.4 cm SHL male/unsexed; (Ref. 95991); max. reported age: 17 years (Ref. 95991)			
			
			
						
			
			
			
			
				
					It burrows in sand and mud along the intertidal zone from shallow depths to 30 meters (Ref. 865). Prefers sandier areas.  Buries deep in the substrate to avoid freezing (Ref. 95344).  Feeds on phytoplankton and detritus (Ref. 95991).				
			
			
			
			
			
				Life cycle and mating behavior				
					Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae				
			
			
				
					Reproduction occurs throughout the year during spring, peak months on February and April.				
			
			
			
			
			
				Lamb, A., D. Gibbs and C. Gibbs 2011 Strait of Georgia biodiversity in relation to bull kelp abundance. Pacific Fisheries Resource Conservation Council, 111p. (Ref. 93817)
			
			
			
			
			
			
			
					
						IUCN Red List Status    
						 (Ref. 130435: Version 2025-1)
					
					
					
				
			
			
			
			
				CITES status   (Ref. 108899)
			
			
				
					Not Evaluated				
			
			
			
			
			
			
				
					Not Evaluated				
			
			
			
			
			
				Threat to humans  
			
			
				
									
			
			
			
			
			
			
			
			
				Human uses  
			
			
				Fisheries: commercial			
			
			
				FAO - Aquaculture: production;  | FishSource | Sea Around Us			
			
			
			
			
			
Tools
			
			
			
			
				
					More information				
				
					 PhysiologyOxygen consumption
  Human RelatedStamps, coins, misc.
  
			 
			
			
			
				Internet sources
			
			
			
			
			
				Estimates based on models
			
			
			
									
						Preferred temperature  					
				 (Ref. 
115969): 8.6 - 15.3, mean 10.2 (based on 60 cells).			
 
			
			
			
							
					Resilience  				
				
				
					Low, minimum population doubling time 4.5 - 14 years (K=0.12-0.17; tm=3; tmax=17).				
			
			
						
							
				
					
						Fishing Vulnerability  					
					
					
						Moderate vulnerability (45 of 100).					
				
						
						
			
			
			
				Nutrients  :  Calcium = 149 [71, 228]  mg/100g; Iron = 8.53 [1.95, 15.11]  mg/100g; Protein = 9.88 [8.64, 11.12] %; Omega3 = 0.313 [0.202, 0.423]  g/100g; Selenium = 61 [50, 72]  μg/100g; VitaminA = 0 μg/100g; Zinc = 2.04 [0.56, 3.51]  mg/100g (wet weight); based on 
nutrient studies.