Acestrorhynchus Grandoculis (Acestrorhynchus grandoculis), first described by Menezes & Géry, 1983 is a small fish in the family Acestrorhynchidae (order Characiformes). Adults typically reach 10.80 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.
Presence of a minute, dark spot behind the operculum; scales on lateral line 77-87; scale rows between the lateral line and the base of the dorsal fin 16-17; large eye 31.1-38.6% HL; short snout 26.3-33.3% HL .: elongated.
Behavioural data for Acestrorhynchus Grandoculis is currently being reviewed.
Freshwater; benthopelagic. Tropical South America: Negro, Orinoco, and Amazon River basins.
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