Aves | 
Charadriiformes | 
Alcidae
			
			
			
				Environment: milieu / climate zone / depth range / distribution range				
				
					Ecology				
				
			
			
				Others; depth range 0 - 49 m (Ref. 126328).  Temperate; 63°N -   32°N, 127°E -   166°E (Ref. 126326)			
			
			
				
			
			
			
				Northwest Pacific:  Japan, Kuril Islands, Okhotsk Sea.
			
			
			
			
			
				Length at first maturity / Size / Weight / Age
			
			
				Maturity: Lm ?  range ? - ? cm Max length : 38.0 cm TL male/unsexed; (Ref. 8812); max. published weight: 760.00 g (Ref. 126328)			
			
			
							
				
				
					
						Culmen: 4.05 cm; tarsus: 3.65 cm.					
				
				
						
			
			
			
			
				
					Wing length: 19.8-19.76 cm. Pursuit diving; coastal; <15 km; water <20m deep. Nest in the holes and crevices of sheer sea cliffs, steep rocky slopes and reefs (Ref. 126328).				
			
			
			
			
			
				Life cycle and mating behavior				
					Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae				
			
			
				
									
			
			
			
			
			
				SAUP Database 2006 SAUP Database. www.seaaroundus.org. (Ref. 356)
			
			
			
			
			
			
			
					
						IUCN Red List Status    
						 (Ref. 130435: Version 2025-1)
					
					
					
				
			
			
			
			
				CITES status   (Ref. 108899)
			
			
				
					Not Evaluated				
			
			
			
			
			
			
				
					Not Evaluated				
			
			
			
			
			
				Threat to humans  
			
			
				
									
			
			
			
			
			
			
			
			
				Human uses  
			
			
							
			
			
				 | FishSource | 			
			
			
			
			
			
Tools
			
			
			
			
				
					More information				
				
					 Population dynamicsGrowthMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionAbundance   Life cycleReproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
  PhysiologyOxygen consumption
  Human RelatedStamps, coins, misc.
  
			 
			
			
			
				Internet sources
			
			
			
			
			
				Estimates based on models
			
			
			
									
						Preferred temperature  					
				 (Ref. 
115969): 2.6 - 14.5, mean 4.9 (based on 431 cells).			
 
			
			
			
			
			
						
							
				
					
						Fishing Vulnerability  					
					
					
						Low to moderate vulnerability (28 of 100).					
				
						
						
			
									
						Price category  					
					
					Unknown.