Malacostraca | 
Isopoda | 
Gnathiidae
			
			
			
				Environment: milieu / climate zone / depth range / distribution range				
				
					Ecology				
				
			
			
				Benthic; depth range 66 - 66 m (Ref. 8020).  Temperate			
			
			
				
			
			
				Distribution				
					Countries | FAO areas | Ecosystems | Occurrences | Introductions				
			
			
				Northwest Pacific:  Sea of Japan.
			
			
			
			
			
				Length at first maturity / Size / Weight / Age
			
			
				Maturity: Lm ?  range ? - ? cm			
			
			
						
			
			
			
			
				
					Depth range based on type locality (Ref. 8020); to be replaced with a better reference. Inhabits clayey silt and sand (Ref. 8020).				
			
			
			
			
			
				Life cycle and mating behavior				
					Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae				
			
			
				
					Members of the order Isopoda are mostly gonochoric.  Mating behavior:  Mating usually occurs before and sometimes during the parturial molt.  Sperm transfer is indirect.  Life cycle:  Eggs are brooded in the marsupium, which later hatch into manca postlarva before developing into adults.				
			
			
			
			
			
				Golovan', O.A. 2006 Gnathia gurjanovae sp. n., a new species of Gnathiids (Isopoda: Gnathiidae) from Peter the Great Bay, Sea of Japan. Russian Journal of Marine Biology 32(1):28-36. (Ref. 8020)
			
			
			
			
			
			
			
					
						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
  Population dynamicsGrowth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
  Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvae   PhysiologyOxygen consumption
  Human RelatedStamps, coins, misc.
  
			 
			
			
			
				Internet sources
			
			
			
			
			
				Estimates based on models