Bivalvia | 
Pectinida | 
Pectinidae
			
			
			
				Environment: milieu / climate zone / depth range / distribution range				
				
					Ecology				
				
			
			
				Benthic; depth range 0 - 20 m (Ref. 83435), usually ? - 10 m (Ref. 113981).  Tropical; 24°C - 26°C (Ref. 113981), preferred 20°C (Ref. 107945); 45°N -   8°N, 98°W -   66°W			
			
			
				
			
			
			
				Western Atlantic:  Argopecten irradians irradians, Argopecten irradians concentricus, Argopecten irradians amplicostatus.  Introduced in Canada and China.
			
			
			
			
			
				Length at first maturity / Size / Weight / Age
			
			
				Maturity: Lm ?  range ? - ? cm Max length : 7.5 cm SHL male/unsexed; (Ref. 344); max. reported age: 3.00 years (Ref. 126617)			
			
			
							
				
				
					
						Shell valves convex, upper valve less convex than more inflated lower valve.  Surface sculpture of 19 to 21 strong, squarish ribs.  Hinge with wing-like projections of about same size.  Colour:  lower valve light, usually whitish, upper valve dark brown to dark grey with darker markings.					
				
				
						
			
			
			
			
				
					Average life span of 20 to 26 months. Form beds on sandy, eelgrass or other seagrass bottoms (Ref. 344).				
			
			
			
			
			
			
				
					Spawns after 1 year of age, during mass-spawning events that take place almost always in July (Ref. 344).				
			
			
			
			
			
				Leal, J.H. 2003 Bivalves. p. 25-98. In Carpenter, K.E. (ed.). The living marine resources of the Western Central Atlantic. Volume 1: Introduction, molluscs, crustaceans, hagfishes, sharks, batoid fishes, and chimaeras. FAO Species Identification Guide for Fishery Purposes and American Society of Ichthyologists and Herpetologists Special Publication No. 5. 1600p. (Ref. 344)
			
			
			
			
			
			
			
					
						IUCN Red List Status    
						 (Ref. 130435: Version 2025-1)
					
					
					
				
			
			
			
			
				CITES status   (Ref. 108899)
			
			
				
					Not Evaluated				
			
			
			
			
			
			
				
					Not Evaluated				
			
			
			
			
			
				Threat to humans  
			
			
				
									
			
			
			
			
			
			
			
			
				Human uses  
			
			
				Fisheries: commercial; aquaculture: commercial			
			
			
				FAO - Fisheries: landings | FishSource | Sea Around Us			
			
			
			
			
			
Tools
			
			
			
			
				
					More information				
				
					 PhysiologyOxygen consumption
  Human RelatedStamps, coins, misc.
  
			 
			
			
			
				Internet sources
			
			
			
			
			
				Estimates based on models
			
			
			
									
						Preferred temperature  					
				 (Ref. 
115969): 9.7 - 12.7, mean 11.7 (based on 22 cells).			
 
			
			
			
			
			
						
							
				
					
						Fishing Vulnerability  					
					
					
						Low vulnerability (15 of 100).					
				
						
							
					
						Climate Vulnerability  					
					
					Very high vulnerability (77 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.