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Acanthuriformes (Surgeonfishes) > 
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae						
							
							Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335).
						
					Issue   
Sister species: Acanthurus tractus (Ref. 087362).
			
			
				
					Environment: milieu / climate zone / profondeur / distribution range					
						Écologie					
				
				
				
					marin récifal;  profondeur 2 - 80 m (Ref. 7345). Tropical; 0°S -   30°S, 50°W -   5°W (Ref. 87362)				
				 
			
			
			
				
				
				
					South and Central Atlantic:  coast of Brazil, from Parcel Manuel Luiz to Santa Catarina, including the oceanic Islands of Fernando de Noronha, Atol das Rocas, Trindade, Ascension I. and St. Helena I. (Ref. 87362).
				
				 
			
			
				
					Taille / Poids / Âge
				
				
				
					Maturité: Lm ?  range ? - ? cm
 Max length : 12.8 cm TL mâle / non sexé; (Ref. 91126)				
				 
			
			
			
			
			
			
			
			
				A diurnal species. Maximum depth from Ref. 126840.			
			 
			
			
			
				
					Life cycle and mating behavior					
					Maturité | Reproduction | Frai | Œufs | Fécondité | Larves				
				
				
				
								
				
			
			 
				
				
				
					Bernal, M.A. and L.A. Rocha, 2011. Acanthurus tractus Poey, 1860, a valid western Atlantic species of surgeonfish (Teleostei, Acanthuridae), distinct from Acanthurus bahianus Castelnau, 1855. Zootaxa 2905:63-68. (Ref. 87362)
				
				 
			
			
			
							
					
						Statut dans la liste rouge de l'IUCN   (Ref. 130435: Version 2025-1)
					
					
				 
					
			
			
			
			
			
			
			
				
					Menace pour l'homme  
				
				
				
					  Harmless				
				
			 
			
			
			
			
				
					Utilisations par l'homme  				
				
				
					Pêcheries: commercial				
				
				
			
			
						
			
			
			
				
Outils
				
			
			
			
				
Articles particuliers
 
				
			
			
			
				
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					Sources Internet
				
				
			
			
			
				
					Estimates based on models				
				
				
				
				
				
					
					Phylogenetic diversity index  (Réf. 
82804):  PD
50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].					
													Bayesian length-weight: a=0.01950 (0.01145 - 0.03321), b=2.91 (2.77 - 3.05), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 
93245).
					
					Niveau trophique  (Réf. 
69278):  2.4   ±0.1 se; based on size and trophs of closest relatives					
						 Generation time: 0.8 ( na - na) years. Estimated as median ln(3)/K based on 1
 growth studies.					
						Résilience  (Réf. 
120179):  Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).					
											
				
									
					Fishing Vulnerability  (Ref. 
59153):  Low vulnerability (10 of 100). 
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						Nutrients  (Ref. 
124155):  Calcium = 419 [167, 1,788] mg/100g; Iron = 1.56 [0.51, 4.22] mg/100g; Protein = 17.3 [15.8, 18.8] %; Omega3 = 0.176 [0.065, 0.472] g/100g; Selenium = 7.92 [2.10, 38.26] μg/100g; VitaminA = 271 [52, 1,310] μg/100g; Zinc = 8.15 [2.49, 17.42] mg/100g (wet weight);