Gastropoda | 
Not assigned | 
Nacellidae
			
			
			
				Environment: milieu / climate zone / depth range / distribution range				
				
					Ecology				
				
			
			
				Benthic; depth range 2 - 7 m (Ref. 100950).  Tropical			
			
			
				
			
			
			
				Indo-West Pacific:  from the Andaman Islands to Melanesia; north to southern Japan and south to New Caledonia.
			
			
			
			
			
				Length at first maturity / Size / Weight / Age
			
			
				Maturity: Lm ?  range ? - ? cm Max length : 9.0 cm SHL male/unsexed; (Ref. 349); common length : 7.5 cm SHL male/unsexed; (Ref. 349)			
			
			
							
				
				
					
						Shell semi-translucent, solid, regular and large. Outline rounded-ovate. Apex ca. anterior 1/3 of SL. External sculpture faint, with subequal low radial riblets.  Colouration:  Outside of shell greenish to yellowish brown; aperture with continuous brown margin; inside color bluish silver (Ref. 128042).					
				
				
						
			
			
			
			
				
					Used as food by coastal populations throughout its range (Ref. 349). Found on rocky intertidal shores (Ref. 128042), on volcanic rocks (Ref. 349) such as granite (Ref. 799). Occurs at the low tide mark (Ref. 349).				
			
			
			
			
			
				Life cycle and mating behavior				
					Maturity | Reproduction | Spawning | Eggs | Fecundity | 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.				
			
			
			
			
			
				Poutiers, J.M. 1998 Gastropods. p. 363-648. In Carpenter, K. E. and V. H. Niem. 1998. FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Volume 1. Seaweeds, corals, bivalves, and gastropods. Rome, FAO. (Ref. 349)
			
			
			
			
			
			
			
					
						IUCN Red List Status    
						 (Ref. 130435: Version 2025-1)
					
					
					
				
			
			
			
			
				CITES status   (Ref. 108899)
			
			
				
					Not Evaluated				
			
			
			
			
			
			
				
					Not Evaluated				
			
			
			
			
			
				Threat to humans  
			
			
				
					  Harmless				
			
			
			
			
			
			
			
			
				Human uses  
			
			
							
			
			
				 | FishSource | 			
			
			
			
			
			
Tools
			
			
			
			
				
					More information				
				
					 Trophic EcologyFood items (preys)
Diet composition
Food consumption
Predators
  Population dynamicsGrowthMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionAbundance   Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvae   PhysiologyOxygen consumption
  Human RelatedStamps, coins, misc.
  
			 
			
			
			
				Internet sources
			
			
			
			
			
				Estimates based on models
			
			
			
									
						Preferred temperature  					
				 (Ref. 
115969): 24.7 - 29.3, mean 28.5 (based on 2974 cells).			
 
			
			
			
			
			
						
							
				
					
						Fishing Vulnerability  					
					
					
						Low vulnerability (10 of 100).					
				
						
						
			
									
						Price category  					
					
					Unknown.