Gastropoda | 
Littorinimorpha | 
Aporrhaidae
			
			
			
				Environment: milieu / climate zone / depth range / distribution range				
				
					Ecology				
				
			
			
				Benthic; depth range 6 - 8 m (Ref. 118694).  Temperate; 76°N -   25°N, 31°W -   61°E			
			
			
				
			
			
			
				Northeast Atlantic, Arctic and the Mediterranean:  North and Celtic seas.  Temperate to polar.
			
			
			
			
			
				Length at first maturity / Size / Weight / Age
			
			
				Maturity: Lm ?  range ? - ? cmCommon length : 5.1 cm SHL male/unsexed; (Ref. 360)			
			
			
							
				
				
					
						Shell:  quite high conical spire, with an outer lip characteristically broadened and fingered, looking like a bird's foot; whorls are angular with a nodular median keel (two in the body whorl); the suture is hardly incised; outer lip of the aperture is thickened, and the inner lip produces a marked columellar callus; development of the external fingers marks the attainment of maturity; sculpture consists of the nodular keel and thin spiral grooves that extend over the whole surface; coloration is variable, white, beige, darkish chestnut, reddish brown or patched, axially flamed with draker shades than the base color; operculum is horny, ellipsoidal and with a terminal nucleus.  Body:  pink or reddish with whitish spots, foot is very long and narrow; eyes sessile, set at the bases of the long tentacles; mantle cavity has one gill, the osphradium/penis; radula is taenioglossan.					
				
				
						
			
			
			
			
				
					This is a carnivorous species (Ref. 96498).				
			
			
			
			
			
				Life cycle and mating behavior				
					Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae				
			
			
				
					Members of the order Neotaenioglossa are mostly gonochoric and broadcast spawners.  Life cycle:  Embryos develop into planktonic trocophore larvae and later into juvenile veligers before becoming fully grown adults.				
			
			
			
			
			
				Sabelli, B. and H.S. Feinberg (eds.) 1879 Simon and Schuster's Guide to Shells. Simon and Schuster's Inc. New York. 512 pp. (Ref. 360)
			
			
			
			
			
			
			
					
						IUCN Red List Status    
						 (Ref. 130435: Version 2025-1)
					
					
					
				
			
			
			
			
				CITES status   (Ref. 108899)
			
			
				
					Not Evaluated				
			
			
			
			
			
			
				
					Not Evaluated				
			
			
			
			
			
				Threat to humans  
			
			
				
									
			
			
			
			
			
			
			
			
				Human uses  
			
			
							
			
			
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					More information				
				
					 Trophic EcologyFood items (preys)
Diet composition
Food consumption
Predators
  Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvae   PhysiologyOxygen consumption
  Human RelatedStamps, coins, misc.
  
			 
			
			
			
				Internet sources
			
			
			
			
			
				Estimates based on models
			
			
			
							
			
			
			
			
			
						
						
						
			
									
						Price category  					
					
					Unknown.