Roestes ogilviei (Fowler, 1914)

Family:  Acestrorhynchidae (Smallscale pike characins), subfamily: Roestinae
Max. size:  18.7 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  South America: upper and middle Amazon basin and rivers Essequibo, Branco and Negro.
Diagnosis:  Dorsal soft rays (total): 11-11; Anal spines: 4-5; Anal soft rays: 41-43; Vertebrae: 37-40. This species is distinguished from R. molossus by having fewer branched anal-fin rays (41-43, versus 43-47). It differs from R. itupiranga by having more anal-fin rays (41-43, versus 38-41), fewer scale rows between lateral line and anal-fin origin (15-16, versus 18-19) and fewer scale rows around caudal peduncle(27-28, versus 30-31).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 03 April 2020 Ref. (130435)
Threat to humans:  harmless


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