Environment: milieu / climate zone / distribuzione batimetrica / distribution range					
						Ecologia					
				
				
				
					marino pelagic-oceanic; oceanodromo (Ref. 51243);  distribuzione batimetrica ? - 200 m (Ref. 86942). Subtropical; 42°N -   45°S, 180°W -   180°E				
				 
			
			
			
				
				
				
					Warm and temperate seas of all oceans.  Western Central Pacific:  Guam (Ref. 35721).  Eastern Pacific:  southern California, USA to Peru (Ref. 2850).  Western Atlantic:  Massachusetts, USA and northern Gulf of Mexico to Brazil (Ref. 7251).  Eastern Central Atlantic:  Madeira Island (Ref. 74541).
				
				 
			
			
				
					Length at first maturity / Size / Peso / Age
				
				
				
					Maturità: Lm 13.9, range 11 -  16.8 cm
 Max length : 40.0 cm SL maschio/sesso non determinato; (Ref. 5288)				
				 
			
			
			
			
			
			
			
			
				Oceanic species with a strong preference for marlins and sailfish as hosts, but may occasionally cling to other large fishes.  Attaches to the body or gill chamber of the host (Ref. 10791).  Oviparous.  Distinct pairing during breeding (Ref. 57896).			
			 
			
			
			
				
				
				
				Oviparous. From collection study observations, a mature pair is often found attached to a single host, most often a billfish, indicative of distinct pairing during breeding (Ref. 57896).				
				 
			
			 
				
				
				
					Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley, 1989. Pisces. Petromyzontidae to Carangidae. Zoological Catalogue of Australia, Vol. 7. Australian Government Publishing Service, Canberra, 665 p. (Ref. 7300)
				
				 
			
			
			
							
					
						IUCN Red List Status   (Ref. 130435: Version 2025-1)
					
					
				 
					
			
			
			
			
			
			
			
				
					Threat to humans  
				
				
				
					  Harmless				
				
			 
			
			
			
			
				
					Human uses  				
				
				
					Pesca: di nessun interesse				
				
				
			
			
						
			
			
			
				
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					Estimates based on models				
				
				
				Preferred temperature (Fonte Biblio. 
123201): 17.3 - 28.2, mean 25.9 °C (based on 1457 cells).
				
				
					
					Phylogenetic diversity index  (Fonte Biblio. 
82804):  PD
50 = 0.5352   [Uniqueness, from 0.5 = low to 2.0 = high].					
													Bayesian length-weight: a=0.00257 (0.00110 - 0.00600), b=3.17 (2.96 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 
93245).
					
					Trophic level  (Fonte Biblio. 
69278):  3.5   ±0.50 se; based on food items.					
											
				
				
										
						Resilienza  (Fonte Biblio. 
120179):  Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Fec = 8,100).					
											
				
									
					Fishing Vulnerability  (Ref. 
59153):  Moderate vulnerability (39 of 100). 
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