Appears to be restricted to forest streams, with a preference for fast-flowing, cooler, and crystal-clear, acid to neutral water . A reddish morph of this species was collected in a small clearwater igarapé, about 1 meter wide and approximately 30 cm deep, with fine white sandy bottom, no submerged vegetation, rocks or pebbles, a pH of 4.8 at a temperature close to 29°C .
Dorsal spines (total): 14 - 16; Dorsal soft rays (total): 6 - 8; Anal spines: 3 - 4; Anal soft rays: 5 - 8. Distinguished from all congeners by the combination of the following characters: over-proportionally large head and mouth with massive jaws and hypertrophic lips in adult males, 3 infraorbital pores; a lyrate caudal fin in adult males with immaculate lemon-yellow lower lobe and vertical rows of spots in its upper bluish hyaline lobe, truncate and immaculate in females; extended first membranes of the dorsal fin, a distinct breast band in basal part of vertical bar 2 and posterior lateral spot in female; and absence of caudal peduncle spot .: short and / or deep.
Behavioural data for Larvophile dwarf cichlid is currently being reviewed.
Freshwater; benthopelagic; pH range: 4.8 - ?. Tropical; ? - 29°C South America: known only from around the Tierra típica northwest of Pebas, Peru.
The following diseases are known to affect Larvophile dwarf cichlid.
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