Malacostraca | 
Decapoda | 
Grapsidae
			
			
			
				Environment: milieu / climate zone / depth range / distribution range				
				
					Ecology				
				
			
			
				Benthic; depth range 0 - 5 m (Ref. 106471).  Tropical; 40°N -   35°S, 126°W -   28°E			
			
			
				
			
			
			
				Indo-Pacific and Atlantic:  from Baja California (Mexico) to Chile, including  Clipperton Island, Galapagos Islands and other Pacific oceanic islands; from south Florida to central America, West Indies, to Colombia, Venezuela and Brazil, to western Africa and Portugal, including Azores, Cape Verde, Sao Tome and Principe, Ascension and Saint Helena.  Subtropical and tropical.
			
			
			
			
			
				Length at first maturity / Size / Weight / Age
			
			
				Maturity: Lm ?, range 3 -  3.38 cm Max length : 7.7 cm CL male/unsexed; (Ref. 435)			
			
			
						
			
			
			
			
				
					Maximum carapace width:  8.7 cm. Inhabits rocks near water line and is very active on land, taking refuge in the sea when threatened (Ref. 435).  Supralittoral to intertidal (Ref. 104055).  Abundant in splash zones (Ref. 105697).  On rubbles (Ref. 106471).  Feeds on cirripedes, mytilids, and porcelain crabs; occasionally acts as a scavenger.  Also preys upon sea turtles and on the lookout for marine birds nest (Ref. 106452).  Herbivorous (Ref. 106455).				
			
			
			
			
			
				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.  				
			
			
			
			
			
				Fischer, W., G. Bianchi and W.B. Scott (eds.) 1981 True Crabs. 6: pag.var. In FAO species identification sheets for fishery purposes. Eastern Central Atlantic (fishing areas 34, 47; in part). Canada Funds-in-Trust. Ottawa, Department of Fisheries and Oceans Canada, by arrangement with the Food and AgriculturesOrganization of the United Nations, 1-7: pag.var. (Ref. 435)
			
			
			
			
			
			
			
					
						IUCN Red List Status    
						 (Ref. 130435: Version 2025-1)
					
					
					
				
			
			
			
			
				CITES status   (Ref. 108899)
			
			
				
					Not Evaluated				
			
			
			
			
			
			
				
					Not Evaluated				
			
			
			
			
			
				Threat to humans  
			
			
				
									
			
			
			
			
			
			
			
			
				Human uses  
			
			
				Fisheries: subsistence fisheries			
			
			
				 | FishSource | Sea Around Us			
			
			
			
			
			
Tools
			
			
			
			
				
					More information				
				
					 Population dynamicsGrowthMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionAbundance   PhysiologyOxygen consumption
  Human RelatedStamps, coins, misc.
  
			 
			
			
			
				Internet sources
			
			
			
			
			
				Estimates based on models
			
			
			
									
						Preferred temperature  					
				 (Ref. 
115969): 22.2 - 28.3, mean 27.1 (based on 1189 cells).			
 
			
			
			
			
			
						
							
				
					
						Fishing Vulnerability  					
					
					
						Low vulnerability (10 of 100).					
				
						
						
			
									
						Price category  					
					
					Unknown.