Environment: milieu / climate zone / Tiefenbereich / distribution range					
						Ökologie					
				
				
				
					seewasser; süßwasser; brackwasser demersal; pH range: 7.0 - 8.0; dH range: 9 - 19; amphidrom (Ref. 51243). Tropical; 22°C - 28°C (Ref. 2060)				
				 
			
			
			
				
				
				
					IIndo-Pacific: from Reunion I., India, and Bangladesh to the Philippines, Indonesia, Thailand, Vietnam, Cambodia, Papua New Guinea, Australia and the Solomon Is.
				
				
			
			
				
					Size / Gewicht / Alter
				
				
				
					Geschlechtsreife: Lm ?  range ? - ? cm
 Max length : 15.0 cm TL Männchen/unbestimmt; (Ref. 6802); max. veröff. Gewicht: 18.95 g (Ref. 124712)				
				 
			
			
						
				
				
				
					Rückenflossenstacheln (insgesamt) : 7; Rückenflossenweichstrahlen (insgesamt) : 8; Afterflossenstacheln: 1; Afterflossenweichstrahlen: 8 - 9. Dark longitudinal lines on body; caudal fin black with light margin dorsally; pectoral base with 1-2 black spots (Ref. 5493).
Body shape (shape guide): elongated.				
				 
			
			
			
			
			
			
			
				Inhabits brackish mangrove estuaries and lower reaches of freshwater streams, usually on mud bottoms (Ref. 44894).  Usually found in lagoons and estuaries, particularly where there is vegetation (Ref. 6028, 79840).  Occurs frequently in mangrove swamps (Ref. 2847, 79840).  Occasionally ascends rivers (Ref. 6028).  Feeds mainly on small fishes and crustaceans (Ref. 6028, 79840).  Marketed fresh (Ref. 12693).			
			 
			
			
			
				
					Life cycle and mating behavior					
					Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven				
				
				
				
								
				
			
			 
				
				
				
					Keith, P. and M.I. Mennesson, 2023. Review of Butis (Teleostei: Butidae) from Indo-Pacific islands with description of three new species. Cybium 47(4):431-466. (Ref. 130228)
				
				 
			
			
			
							
					
						IUCN Rote Liste Status   (Ref. 130435: Version 2025-1)
					
					
				 
					
			
			
			
			
			
			
			
				
					Bedrohung für Menschen  
				
				
				
					  Harmless				
				
			 
			
			
			
			
				
					Nutzung durch Menschen  				
				
				
					Fischereien: weniger kommerziell				
				
				
			
			
						
			
			
			
				
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					Estimates based on models				
				
				
				Preferred temperature (Ref. 
123201): 24.7 - 29.1, mean 28.2 °C (based on 1196 cells).
				
				
					
					Phylogenetic diversity index  (Ref. 
82804):  PD
50 = 0.5156   [Uniqueness, from 0.5 = low to 2.0 = high].					
													Bayesian length-weight: a=0.00851 (0.00509 - 0.01424), b=3.18 (3.03 - 3.33), in cm total length, based on LWR estimates for this species & (Sub)family-body  (Ref. 
93245).
					
					Trophic level  (Ref. 
69278):  4.0   ±0.66 se; based on food items.					
											
				
				
										
						Widerstandsfähigkeit  (Ref. 
120179):  hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).					
											
				
									
					Fishing Vulnerability  (Ref. 
59153):  Low vulnerability (10 of 100). 
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