Characidium Stigmosum (Characidium stigmosum), first described by Melo & Buckup, 2002 is a tiny fish in the family Crenuchidae (order Characiformes). Adults typically reach 4.30 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Data Deficient.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Crenuchidae kept in the hobby.
Dorsal spines (total): 0; Dorsal soft rays (total): 12 - 13; Anal spines: 0; Anal soft rays: 8 - 9; Vertebrae: 32 - 33. Distinguished from all other Characidium species by the presence of black marks along the sides of the body, superimposed on the vertical bars, which occur in most species of the genus; most of the marks are vertically oriented elliptical, except anteriormost 1-2 marks, which may be roundish or horizontally elongated .
Behavioural data for Characidium Stigmosum is currently being reviewed.
Freshwater; benthopelagic. High altitude South America: central Brazil, Paraná River basin in upper Tocantins River drainage.
The following diseases are known to affect Characidium Stigmosum.
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .
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