Corydoras benattii Espíndola, Tencatt, Pupo, Villa‐Verde & Britto, 2018
Speckled xingu cory
Corydoras benattii
photo by V.C.Espindola et al

Family:  Callichthyidae (Callichthyid armored catfishes), subfamily: Corydoradinae
Max. size:  3.09 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater; pH range: 6.52
Distribution:  South America: Brazil (Amazon).
Diagnosis:  Dorsal spines (total): 2-2; Dorsal soft rays (total): 7-8; Vertebrae: 21-21. This species is distinguished from its congeners by the following set of characters: body slender body; and strongly narrow frontals; mesethmoid short, with anterior tip poorly developed, smaller than 50% of bone length; pectoral spine posterior margin with serrations directed towards spine tip or perpendicularly oriented; infraorbital 2 only in contact with sphenotic; ventral laminar expansion of infraorbital 1 is poorly or moderately developed. Colouration: flank midline covered by small dark brown or black saddles with similar size to remaining markings on body; body with relatively larger, scarcer and more sparsely distributed dark brown or black spots; flank midline without stripe; entire surface of caudal fin with conspicuous dark brown or black spots (Ref. 122129).
Biology:  Occurs in lotic habitats that have muddy-brown water with clay and sandy substrata. Most specimens were captured in the small forest streams of black or clearwater, or in marginal ponds (Ref. 122129).
IUCN Red List Status: Least Concern (LC); Date assessed: 19 October 2020 Ref. (130435)
Threat to humans:  harmless
Country info:  Type locality of Corydoras benattii, Mato Grosso, between Canarana and Gaúcha do Norte, Rio Culuene, a tributary to the Rio Xingu. It is known from Rio Xingu and Rio Tapajós basins, Brazilian Amazon. In the Rio Xingu basin, it is also known in Pará State from the Rio Fresco sub drainage (Rio Trairão and Igarapé Manguari), middle Rio Xingu and from the lower Rio Xingu basin near Altamira. In the Rio Tapajós basin, it occurs in the Rio Peixoto de Azevedo, a tributary to the Rio Teles Pires, Mato Grosso and from Rio Cururu, a tributary to the Rio São Manuel, Pará (Ref. 122129).


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