Malacostraca | 
Decapoda | 
Eriphiidae
			
			
			
				Environment: milieu / climate zone / depth range / distribution range				
				
					Ecology				
				
			
			
				Reef-associated; depth range 0 - 6 m (Ref. 96667).  Tropical; 36°N -   33°S, 29°E -   134°W			
			
			
				
			
			
			
				Indo-Pacific:  north from Japan, China, Taiwan to southeast Asia, west to Australia, Christmas Island, Cocos (Keeling) Islands to India, Oman and east Africa.
			
			
			
			
			
				Length at first maturity / Size / Weight / Age
			
			
				Maturity: Lm ?  range ? - ? cm Max length : 8.0 cm CW male/unsexed; (Ref. 343)			
			
			
							
				
				
					
						Carapace  is oval in shape which is covered with tubercles. The frontal margin has six or more spines. Pair of pincers are unequal in size and are covered with very tiny granules (Ref. 128968).					
				
				
						
			
			
			
			
				
					Adults are found in rock cracks in shallow waters. They display aggressive and nocturnal behaviour (Ref. 128968). Collected for food.  Occasionally mildly poisonous in some parts of its range. Mildly poisonous (Ref. 79155).  Inhabits rocky shore or reefs.  Benthic.  Subtropical and tropical climates (Ref. 343).  Intertidal (Ref. 106854).  Also occurs on algal mat (Ref. 106227).  Found within crevices in rocks or coral reefs (Ref. 79155).  Observed on mangrove trees (Ref. 74547).  Has large master claws with molariform teeth used to crush shells of snails and hermit crabs (Ref. 107019).  Observed to open large Turbo sp. Shells in order to extract the terrestrial hermit crab Coenobita perlatus (Ref. 76500).				
			
			
			
			
			
				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  
			
			
				
					  Poisonous to eat (Ref. 128968)				
			 
			
			
			
			
			
			
			
				Human uses  
			
			
				Fisheries: commercial			
			
			
				 | FishSource | Sea Around Us			
			
			
			
			
			
Tools
			
			
			
			
				
					More information				
				
					 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): 24.8 - 29.3, mean 28.4 (based on 3372 cells).			
 
			
			
			
							
					Resilience  				
				
				
					High, minimum population doubling time less than 15 months (K=0.68).				
			
			
						
							
				
					
						Fishing Vulnerability  					
					
					
						Low vulnerability (17 of 100).					
				
						
						
			
									
						Price category  					
					
					Unknown.			
			
			
				Nutrients  :  Calcium = 109 [35, 184]  mg/100g; Iron = 1.59 [1.21, 1.97]  mg/100g; Protein = 20.2 [19.2, 21.3] %; Omega3 = 0.285 [0.185, 0.386]  g/100g; Selenium = 48.3 [-31.7, 128.3]  μg/100g; VitaminA = 0 μg/100g; Zinc = 1.79 [1.17, 2.40]  mg/100g (wet weight); based on 
nutrient studies.