Malacostraca | 
Decapoda | 
Calappidae
			
			
			
				Environment: milieu / climate zone / depth range / distribution range				
				
					Ecology				
				
			
			
				Benthic; depth range 10 - 40 m (Ref. 343).  Tropical			
			
			
				
			
			
			
				Indo-West Pacific and Atlantic Ocean:  Southeast Asia to Australia and westward to India.
			
			
			
			
			
				Length at first maturity / Size / Weight / Age
			
			
				Maturity: Lm 3.2  range ? - ? cm Max length : 11.5 cm CW male/unsexed; (Ref. 119018); 5.3 cm CW (female); max. published weight: 30.90 g (Ref. 119018); max. published weight: 30.90 g			
			
			
							
				
				
					
						Carapace rounded, with 2 long, well-developed lateral spines; anterolateral margins unevenly serrated.  Outer surface of palm with strong oblique ridge.  Mosaic to reticulate network of maroon lines on a white background.					
				
				
						
			
			
			
			
				
					Intertidal (Ref. 106854) to subtidal, on substrates ranging from sandy, muddy to shelly (Ref. 125642).  Matutinae are facultative scavengers and opportunistic predators of benthic invertebrates, feeding mainly on mollusks and small crustaceans (Ref. 108791).				
			
			
			
			
			
				Life cycle and mating behavior				
					Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae				
			
			
				
					Members of the order Decapoda are mostly gonochoric.  Mating behavior:  Precopulatory courtship ritual is common (through olfactory and tactile cues); usually indirect sperm transfer.  				
			
			
			
			
			
				Ng, P.K.L. 1998 Crabs. p. 1045-1155. In K.E. Carpenter and V.H. Niem (eds) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Volume 2. Cephalopods, crustaceans, holothurians and sharks. Rome, FAO. 1998. pp. 687-1396. (Ref. 343)
			
			
			
			
			
			
			
					
						IUCN Red List Status    
						 (Ref. 130435: Version 2025-1)
					
					
					
				
			
			
			
			
				CITES status   (Ref. 108899)
			
			
				
					Not Evaluated				
			
			
			
			
			
			
				
					Not Evaluated				
			
			
			
			
			
				Threat to humans  
			
			
				
					  Harmless				
			
			
			
			
			
			
			
			
				Human uses  
			
			
				Fisheries: commercial			
			
			
				 | FishSource | 			
			
			
			
			
			
Tools
			
			
			
			
				
					More information				
				
					 Trophic EcologyFood items (preys)
Diet composition
Food consumption
Predators
  PhysiologyOxygen consumption
  Human RelatedStamps, coins, misc.
  
			 
			
			
			
				Internet sources
			
			
			
			
			
				Estimates based on models
			
			
			
									
						Preferred temperature  					
				 (Ref. 
115969): 14.8 - 29.1, mean 28.1 (based on 922 cells).			
 
			
			
			
			
			
						
							
				
					
						Fishing Vulnerability  					
					
					
						Low vulnerability (10 of 100).					
				
						
						
			
									
						Price category  					
					
					Unknown.