Malacostraca | 
Decapoda | 
Portunidae
			
			
			
				Environment: milieu / climate zone / depth range / distribution range				
				
					Ecology				
				
			
			
				Benthic.  Tropical			
			
			
				
			
			
			
				Indo-West Pacific:  northern parts of South China Sea and parts of Java.
			
			
			
			
			
				Length at first maturity / Size / Weight / Age
			
			
				Maturity: Lm 10.2  range ? - ? cm Max length : 20.0 cm CW male/unsexed; (Ref. 343); max. published weight: 2.00 g (Ref. 343)			
			
			
							
				
				
					
						Carapace usually green to light green, palm green to greenish blue with lower surface and base of fingers usually pale yellow to yellowish orange.					
				
				
						
			
			
			
			
				
					Common carapace width:  between 15 and 18 cm. Found intertidal to subtidal. Associated with shallow reef rubble, subtidal flats and estuarine pools, or in mangrove forests (Ref. 125642).				
			
			
			
			
			
				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  
			
			
							
			
			
				 | 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
			
			
			
							
			
			
			
							
					Resilience  				
				
				
					High, minimum population doubling time less than 15 months (K=2.39; tm=0.49).				
			
			
						
							
				
					
						Fishing Vulnerability  					
					
					
						Low vulnerability (10 of 100).					
				
						
						
			
									
						Price category  					
					
					Unknown.