Megalonema Amaxanthum (Megalonema amaxanthum) is a ray-finned fish of the family Pimelodidae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 24.1 cm. With a trophic level of 4, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.
Dorsal spines (total): 1; Dorsal soft rays (total): 7; Anal soft rays: 12 - 16; Vertebrae: 42 - 45. Total vertebrae including Weberian complex .: elongated.
Behavioural data for Megalonema Amaxanthum is currently being reviewed.
Diet information for Megalonema Amaxanthum is currently being compiled.
Reproduction data for Megalonema Amaxanthum is currently being compiled.
Freshwater; demersal. Tropical South America: Amazon River basin, Brazil, Guyana, Peru, Bolivia and probably Colombia and Ecuador.
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