Cetopsidium Roae (Cetopsidium roae) is a ray-finned fish of the family Cetopsidae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 4.1 cm. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.
Dorsal soft rays (total): 5 - 6; Anal soft rays: 22 - 26; Vertebrae: 38 - 41. : elongated.
Behavioural data for Cetopsidium Roae is currently being reviewed.
Freshwater; demersal. Tropical South America: known only from Rupununi region in Guyana.
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