Klassifizierung / Names  				 
				Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa				
			
				
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Siluriformes (Catfishes) > 
Pimelodidae (Long-whiskered catfishes)						
							
							Etymology: Megalonema: Greek, megas, megalos = great + Greek, nema = filament (Ref. 45335).
More on author: Eigenmann.						
					
				
					Environment: milieu / climate zone / Tiefenbereich / distribution range					
						Ökologie					
				
				
				
					; süßwasser demersal. Tropical				
				
			
			
			
				
				
				
					South America:  endemic to the Magdalena River basin in Colombia.
				
				
			
			
				
					Size / Gewicht / Alter
				
				
				
					Geschlechtsreife: Lm ?  range ? - ? cm
 Max length : 15.9 cm SL Männchen/unbestimmt; (Ref. 79495); max. veröff. Gewicht: 44.00 g (Ref. 125980)				
				 
			
			
						
				
					Kurzbeschreibung					
					Bestimmungsschlüssel | Morphologie | Morphometrie					
				
				
				
					Rückenflossenstacheln (insgesamt) : 1; Rückenflossenweichstrahlen (insgesamt) : 7; Afterflossenweichstrahlen: 13 - 16; Wirbelzahl: 45 - 48. Total vertebrae 45-48 including Weberian complex (Ref. 79495).
Body shape (shape guide): elongated.				
				 
			
			
			
			
			
			
			
							
			
			
			
			
				
					Life cycle and mating behavior					
					Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven				
				
				
				
								
				
			
			 
				
				
				
					Lundberg, J.G. and M.W. Littmann, 2003. Pimelodidae (Long-whiskered catfishes). p. 432-446. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36506)
				
				 
			
			
			
							
					
						IUCN Rote Liste Status   (Ref. 130435: Version 2025-1)
					
					
				 
					
			
			
			
			
			
			
			
				
					Bedrohung für Menschen  
				
				
				
					  Harmless				
				
			 
			
			
			
			
				
					Nutzung durch Menschen  				
				
				
									
				
				
			
			
						
			
			
			
				
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					Estimates based on models				
				
				
				
				
				
					
					Phylogenetic diversity index  (Ref. 
82804):  PD
50 = 0.5039   [Uniqueness, from 0.5 = low to 2.0 = high].					
													Bayesian length-weight: a=0.00575 (0.00335 - 0.00989), b=3.04 (2.89 - 3.19), in cm total length, based on LWR estimates for this species & (Sub)family-body  (Ref. 
93245).
					
					Trophic level  (Ref. 
69278):  3.8   ±0.7 se; based on size and trophs of closest relatives					
											
				
				
										
						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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