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Cambeva curvilineata Costa, Feltrin, Amorim, Mattos, & Katz, 2026

Image contributors to this species:

Costa, W. J. et al. 2026 (3)

ScotCat Sources:

Other Sources:

Relevant Information:

Description: Cambeva curvilineata is distinguished from other species of CBS1 by the presence of pelvic fin (vs. absence in C. diegoi sp. nov.); 36 or 37 vertebrae (vs. 39 in C. diegoi sp. nov.); seven or eight branchiostegal rays (ten in C. diegoi sp. nov.); 28–32 interopercular odontodes (vs. 16 in C. diegoi sp. nov., 22–23 in C. minima sp. nov. and 33–37 in C. metagalactica sp. nov.); the dorsal-fin origin at the vertical through the centrum of the 20th vertebra (vs. 23rd vertebra in C. diegoi sp. nov.); 30–37 premaxillary teeth (vs. 38–46 in C. metagalactica sp. nov.); 30–31 dentary teeth (vs. 37–40 in C. metagalactica sp. nov.); presence of anterior infraorbital canal (vs. absence in C. minima sp. nov.); the lateral process of the parurohyal short, with broad basal portion (vs. long, with moderately wide or narrow basal portion in C. diegoi sp. nov., and C. minima sp. nov., respectively). Habitat: Rio Chapecozinho subdrainage, Rio Chapecó drainage, Rio Uruguai basin. Headwaters of small brooks, about 860 m asl, with leaf litter on silty bottom where specimens were found. Diet: will feed on most aquarium fare such as tablet, frozen and live foods. Etymology: The genus name Cambeva: vernacular name for trichomycterids in southern and southeastern Brazil, derived from the Tupi a’kãg, head, and pewa, flat, referring dorsally flattened head. The specific name curvilineata: From the Latin, curvilineata (with curved lines) refers to yellowish white lines composed of numerous curves to form a sinuous pattern.

Common Name:

None

Synonyms:

None

Family:

Trichomycteridae

Distribution:

South America: Rio Chapecozinho subdrainage, Rio Chapecó drainage, Rio Uruguai basin, southern Brazil.

Size:

4.0cm. (1¾ins)

Temp:

22-26°c (71-79°f.)

p.H.

6.0-7.0.

IUCN Red List

Not Evaluated.

Reference:

Costa, W. J. E. M., Feltrin, C. R. M., Amorim, P. F., Mattos, J. L. O., & Katz, A. M. (2026). A Riverine Species Flock? A Remarkably High Diversity of Endemic Fossorial Catfishes, Genus Cambeva (Siluriformes: Trichomycteridae), in a Small Mountain Drainage of Southern Brazil. Taxonomy, 6(3), 49.
Fish in the News 2026.

Family: Trichomycteridae Back to Ident-A-Cat Click on Thumbnails

Cambeva curvilineata
Holotype-Brazil: Estado de Santa Catarina: Município de Ouro Verde: Linha Hervalzinho: small brook tributary to Rio Chapecozinho, Rio Chapecó drainage, Rio Uruguai basin

Cambeva curvilineata
Dorsal view-holotype-Brazil: Estado de Santa Catarina: Município de Ouro Verde: Linha Hervalzinho: small brook tributary to Rio Chapecozinho, Rio Chapecó drainage, Rio Uruguai basin

Cambeva curvilineata
Ventral view-holotype-Brazil: Estado de Santa Catarina: Município de Ouro Verde: Linha Hervalzinho: small brook tributary to Rio Chapecozinho, Rio Chapecó drainage, Rio Uruguai basin

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