Malacostraca | 
Decapoda | 
Alpheidae
			
			
			
				Environment: milieu / climate zone / depth range / distribution range				
				
					Ecology				
				
			
			
				Benthic; brackish; depth range 1 - 3 m (Ref. 129123).  Tropical			
			
			
				
			
			
			
				Southwest Atlantic:  Brazil.
			
			
			
			
			
				Length at first maturity / Size / Weight / Age
			
			
				Maturity: Lm ?  range ? - ? cm Max length : 0.4 cm CL male/unsexed; (Ref. 129123)			
			
			
							
				
				
					
						This species can be distinguished from its congeners by a very short rostrum (often not exceeding half of the cornea) and absence of setae on the pterygostomial angle of the caparace.  Coloration: Body semi-translucent, with brownish to orange chromatophores which are irregularyly and sparsely distributed on carapace and arranged in narrow transverse bands on the abdomen. Telson and uropods with bluish pigmentation towards distal end; antennal and antennular flagella and pereiopods pale bluish; eyes reddish to pink; eggs brownish (Ref. 129123).					
				
				
						
			
			
			
			
				
					Found in intertidal  mangrove flat, in mud burrows, near the roots of the red mangrove tree, Rhizophora mangle. Also found in burrows of the ucidid crab Ucides cordatus and burrows of Alpheus pontederiae. Salinities recorded at the collection site were 21 and 24 (Ref. 129123).				
			
			
			
			
			
				Life cycle and mating behavior				
					Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae				
			
			
				
									
			
			
			
			
			
				Soledade, G.O., P.S. Santos and A.O. Almeida 2014 Potamalpheops tyrymembe sp. n.: the first southwestern Atlantic species of the shrimp genus Potamalpheops Powell, 1979 (Caridea: Alpheidae). Zootaxa 3760(4): 579-586. (Ref. 129123)
			
			
			
			
			
			
			
					
						IUCN Red List Status    
						 (Ref. 130435: Version 2025-1)
					
					
					
				
			
			
			
			
				CITES status   (Ref. 108899)
			
			
				
					Not Evaluated				
			
			
			
			
			
			
				
					Not Evaluated				
			
			
			
			
			
				Threat to humans  
			
			
				
					  Harmless				
			
			
			
			
			
			
			
			
				Human uses  
			
			
							
			
			
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Tools
			
			
			
			
				
					More information				
				
					 Trophic EcologyFood items (preys)
Diet composition
Food consumption
Predators
  Population dynamicsGrowth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
  Life cycleReproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
  PhysiologyOxygen consumption
  Human RelatedStamps, coins, misc.
  
			 
			
			
			
				Internet sources
			
			
			
			
			
				Estimates based on models
			
			
			
							
			
			
			
			
			
						
							
				
					
						Fishing Vulnerability  					
					
					
						Low vulnerability (10 of 100).