Environment: milieu / climate zone / depth range / distribution range					
						Ecology					
				
				
				
					Marine;  demersal; depth range ? - 100 m (Ref. 27569). Temperate; 3°S -   54°S, 82°W -   70°W				
				 
			
			
			
				
				
				
					Southeast Pacific:  Tumbes, Peru to Magellanes, Chile.
				
				
			
			
				
					Size / Weight / Age
				
				
				
					Maturity: Lm ?  range ? - ? cm
 Max length : 51.0 cm TL male/unsexed; (Ref. 95867); max. published weight: 1.6 kg (Ref. 53696)				
				 
			
			
						
				
				
			
			
			
			
			
			
			
				On muddy bottoms or sandy and rocky bottoms.  Spawns during spring.			
			
			
			
			
				
					Life cycle and mating behavior					
					Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae				
				
				
				
								
				
			
			 
				
				
				
					Rosa, I.L. and R.S. Rosa, 1997. Systematic revision of the South American species of Pinguipedidae (Teleostei, Trachinoidei). Revta Bras. Zool. 14(4):845-865. (Ref. 27569)
				
				 
			
			
			
							
					
						IUCN Red List Status   (Ref. 130435: Version 2025-1)
					
					
				 
					
			
			
			
			
			
			
			
				
					Threat to humans  
				
				
				
					  Harmless				
				
			 
			
			
			
			
				
					Human uses  				
				
				
					Fisheries: of no interest				
				
				
			
			
						
			
			
			
				
Tools
				
			
			
			
				
Special reports
 
				
			
			
			
				
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					Internet sources
				
				
			
			
			
				
					Estimates based on models				
				
				
				
				
				
					
					Phylogenetic diversity index  (Ref. 
82804):  PD
50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].					
													Bayesian length-weight: a=0.00912 (0.00507 - 0.01640), b=3.06 (2.90 - 3.22), in cm total length, based on LWR estimates for this species & (Sub)family-body  (Ref. 
93245).
					
					Trophic level  (Ref. 
69278):  3.5   ±0.2 se; based on diet studies.					
											
				
				
										
						Resilience  (Ref. 
120179):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).					
											
				
									
					Fishing Vulnerability  (Ref. 
59153):  Moderate vulnerability (40 of 100). 
🛈					
						Nutrients  (Ref. 
124155):  Calcium = 41.6 [23.5, 77.8] mg/100g; Iron = 0.376 [0.220, 0.656] mg/100g; Protein = 17.5 [15.3, 19.4] %; Omega3 = 0.372 [0.206, 0.643] g/100g; Selenium = 14.7 [7.4, 29.5] μg/100g; VitaminA = 18.5 [5.4, 64.4] μg/100g; Zinc = 0.521 [0.369, 0.730] mg/100g (wet weight);