Sternarchella Calhamazon (Sternarchella calhamazon) is a ray-finned fish of the family Apteronotidae. It inhabits freshwater waters. This species can reach a maximum total length of 18.5 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.
Anal soft rays: 147 - 165; Vertebrae: 77 - 79. This species is distinguished from its congeners by the following characters: presence of a flat posterior dorsal surface of the basihyal (vs. ridge); with 12 or fewer teeth on pharyngobranchial (vs. 14); a small body cavity usually with less than 14 pre-caudal vertebrae present (vs. 14); without a crown of thorny projections present at border of parietals and supraoccipital (vs. present in patriciae, orthos) (shared with duccis, orinoco, rex, raptor, schotti, sima); with a deep caudal peduncle, 27-42% HL (vs. 15-21% HL) . : elongated; Cross section: compressed.
Behavioural data for Sternarchella Calhamazon is currently being reviewed.
Diet information for Sternarchella Calhamazon is currently being compiled.
Reproduction data for Sternarchella Calhamazon is currently being compiled.
Freshwater; benthopelagic. Tropical South America: Brazilian and Peruvian Amazon.
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