The Hisonotus luteofrenatus lives in the demersal, freshwater environment.
Hisonotus luteofrenatus is distinguished from other members of the genus except H. insperatus in having a pair of rostral plates at the tip of the snout, and from H. insperatus in having more premaxillary and dentary teeth. More
Hisonotus luteofrenatus has a moderate number (12-28) of hyaline or slightly yellow-tipped premaxillary teeth, and 9-26 on the dentary bones; 25-26 plates on the longitudinal series; a characteristic yellow line extending from the anterior part of each orbit, over the inferior More