Feeding on a wide variety of foods, including such things as fish fry and eggs, crustaceans, insect larvae, and plant material .
Dorsal spines (total): 2; Dorsal soft rays (total): 7 - 8; Anal spines: 0; Anal soft rays: 10 - 12; Vertebrae: 38. Diagnosis: combined premaxillary tooth plate very broad, 33.5-41.7% of head length vs. 30.1-35.3% in N. boutchangai, and less than 30% in the other species; eye diameter large, 9.1-13.3% of head length vs. smaller in N. maculatum, N. pallidum and N. depierrei, but overlapping with eye size range of the other species; interorbital distance rather large, 28.0-36.6% of head length vs. 24.0% or less in N. akiri, N. depierrei, N. pallidum and N. pembetadi; only 7 soft dorsal-fin rays vs. more than 8 in N. depierrei, N. maculatum, N. pallidum, N. pembetadi, N. thomasi and N. walkeri; dorsal fin spine rather long, 6.9-14.7% of standard length vs. shorter in N. depierrei, N. maculatum, N. pembetadi and N. thomasi . : elongated.
Behavioural data for Flatnose catfish is currently being reviewed.
Diet information for Flatnose catfish is currently being compiled.
Reproduction data for Flatnose catfish is currently being compiled.
Freshwater; demersal; pH range: 6.5 - 8.0; dH range: 4 - 25. Tropical; 23°C - 27°C ; 5°N - 10°S
Occurrence records from the Global Biodiversity Information Facility (GBIF) — 135 records indexed .
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