Gastropoda | 
Cephalaspidea | 
Retusidae
			
			
			
				Environment: milieu / climate zone / depth range / distribution range				
				
					Ecology				
				
			
			
				Demersal.  Subtropical; 72°N -   36°S, 32°W -   42°E			
			
			
				
			
			
			
				Western Indian Ocean, Atlantic Ocean and the Mediterranean.
			
			
			
			
			
				Length at first maturity / Size / Weight / Age
			
			
				Maturity: Lm ?  range ? - ? cm			
			
			
						
			
			
			
			
				
					This is an epibenthic species (Ref. 95730) that Inhabits shallow estuaries where it burrows in mud or sand in tidal marshes.  Feeds on foraminiferans (Ref. 866).				
			
			
			
			
			
				Life cycle and mating behavior				
					Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae				
			
			
				
					Members of the order Cephalaspidea are mostly simultaneous hermaphrodites.  				
			
			
			
			
			
				Gosliner, T. 1987 Nudibranchs of Southern Arfrica: A guide to opistobranch molluscs of Southern Africa. Sea Challengers and Jeff Hamann in association with the California Academy of Sciences. 136 pp. (Ref. 866)
			
			
			
			
			
			
			
					
						IUCN Red List Status    
						 (Ref. 130435: Version 2025-1)
					
					
					
				
			
			
			
			
				CITES status   (Ref. 108899)
			
			
				
					Not Evaluated				
			
			
			
			
			
			
				
					Not Evaluated				
			
			
			
			
			
				Threat to humans  
			
			
				
									
			
			
			
			
			
			
			
			
				Human uses  
			
			
							
			
			
				 | FishSource | 			
			
			
			
			
			
Tools
			
			
			
			
				
					More information				
				
					 Trophic EcologyFood items (preys)Diet compositionFood consumptionPredators   Population dynamicsGrowth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
  Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvae   PhysiologyOxygen consumption
  Human RelatedStamps, coins, misc.
  
			 
			
			
			
				Internet sources
			
			
			
			
			
				Estimates based on models
			
			
			
									
						Preferred temperature  					
				 (Ref. 
115969): 7.3 - 16.3, mean 10.6 (based on 550 cells).			
 
			
			
			
			
			
						
						
						
			
									
						Price category  					
					
					Unknown.