The Indonesian featherback (Chitala borneensis) is a species of knifefish from freshwater habitats in Southeast Asia. The details of its range are not entirely clear, with FishBase reporting that it occurs in Sumatra, Borneo, and the Malay Peninsula,[1]. In 2024, it was reported to have been found in the Mae Klong basin and the eastern coast of southern Thailand,[2] while Catalog of Fishes considers it endemic to Borneo.[3]

There has been considerable taxonomic confusion between this species and C. lopis; it was argued as recent as 1992 that the two are variants of a single species, but later authorities have recognized them as separate.[4][5]

C. borneensis reaches at least 56 cm (22 in) in standard length.[6] It is overall pale silvery-golden with many small black spots on the tail fin, anal fin and lower rear part of the body, and a black spot behind the pectoral fin.[5][6]

References

  1. ^ Froese, Rainer; Pauly, Daniel (eds.). "Chitala borneensis". FishBase.
  2. ^ หนังสือธรรมชาติวิทยา by Siamensis Co.,Ltd. (2025-03-15). "ว่าด้วยเรื่องปลาส้มหลอด อีกสักทีครับ". Facebook (in Thai). Retrieved 2024-06-24.
  3. ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Chitala". Catalog of Fishes. California Academy of Sciences. Retrieved 26 December 2018.
  4. ^ Kottelat, M., and Lim, K.K.P. (1995). Freshwater fishes of Sarawak and Brunei Darussalam: a preliminary annotated check-list. The Sarawak Museum Journal (New Series) v. 48 (no. 69): 227-256.
  5. ^ a b Parenti, L.R., and Downing Meisner, A.L. (2003). Fishes of the Belait River. Brunei Museum Journal 10: 17–54.
  6. ^ a b Parenti, L.R., and Lim. K.K.P. (2005). Fishes of the Rajang Basin, Sarawak, Malaysia. The Raffles Bulletin of Zoology Supplement 13: 175-208.


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