Found where the Rio Mongo was shallow, substrate mostly sand and gravel, and there was little flow .
Dorsal spines (total): 2; Dorsal soft rays (total): 4 - 5; Anal spines: 0; Anal soft rays: 7 - 8. Diagnosis: Chiloglanis mongoensis is readily distinguished from all other valid species of Chiloglanis with the exception of C. marlieri and C. harbinger in possessing 28-30 mandibular teeth in one row . Chiloglanis mongoensis is distinguished from C. marlieri in possessing a longer dorsal spine, 1.8 times into head length versus 3.1 in C. marlieri . It is distinguished from C. harbinger in having fewer premaxillary teeth, 99-116 versus 150-224, arranged in fewer rows, 4-5 versus 7; a longer dorsal spine, 9.0-9.7% of standard length versus 7.8-9.0%; a deeper body at anus, 14.0-16.0% of standard length versus 11.7-13.8%; a larger eye, 3.7-4.6% of standard length versus 2.9-3.5%; and a higher adipose fin, 2.6-3.9% of standard length versus 1.6-2.3% . : elongated.
Behavioural data for Chiloglanis Mongoensis is currently being reviewed.
Freshwater; benthopelagic. Tropical
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