Moenkhausia Margitae (Moenkhausia margitae), first described by Zarske & Géry, 2001 is a small fish in the family Acestrorhamphidae (order Characiformes). Adults typically reach 6.40 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 Near Threatened.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Acestrorhamphidae kept in the hobby.
Dorsal spines (total): 2; Dorsal soft rays (total): 9; Anal spines: 3 - 4; Anal soft rays: 29 - 34; Vertebrae: 34 - 35. Medium-sized species of Moenkhausia distinguished by the following characters: maxilla longer than snout; 1-2 broad, tri-cuspid maxillary teeth; anal fin with 29-34 branched, relatively long rays; small hooks present on rays of anal fin in males; scales relatively large, 34-36 in longitudinal series; 6.5-7.5 vertical scales before dorsal fin origin; first third of caudal origin covered with small, specialized scales; pre-ventral region rounded; shoulder spot rounded and prominent; no black spot on caudal peduncle; no black saddle-spot before origin of dorsal fin; no silver longitudinal band on side of body. 'Spines' refer to unbranched rays.: short and / or deep; Cross section: compressed.
Behavioural data for Moenkhausia Margitae is currently being reviewed.
Freshwater; benthopelagic; non-migratory. Tropical South America: Upper Amazon River basin.
The following diseases are known to affect Moenkhausia Margitae.
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