Racenisia Fimbriipinna (Racenisia fimbriipinna) is a ray-finned fish. It inhabits freshwater waters. This species can reach a maximum total length of 11.7 cm. With a trophic level of 3.1, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.
Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal soft rays: 171 - 193; Vertebrae: 94 - 97. Body abruptly attenuated caudally; 23 precaudal vertebrae; cranium higher than in other members of the family; anal rays covered by a thick tissue, giving an undulated shape to the anal fin; basibranchials not ossified (cartilaginous matrices); tail about 1/5 of anal fin base; lateral line incomplete; no scalation on dorsoanteriorly and middorsally.
Behavioural data for Racenisia Fimbriipinna is currently being reviewed.
Freshwater; benthopelagic. Tropical South America: known only from localities around San Fernando de Atabapo and San Carlos de Rio Negro, Territorio Amazonas, Venezuela.
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