Kryptopterus piperatus Ng, Wirjoatmodjo & Hadiaty, 2004

Family:  Siluridae (Sheatfishes)
Max. size:  10.67 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Asia: Lembang River, Alas River drainage in Sumatra, Indonesia.
Diagnosis:  Dorsal soft rays (total): 2-3; Anal soft rays: 49-53; Vertebrae: 44-45. Distinguished from all other species of Kryptopterus by the following unique combination of characters: body with pale brown coloration with scattered black spots on flanks; head width 11.4-12.0% SL; body depth at anus 22.3-24.3% SL; eye diameter 20.3-25.3% HL; maxillary barbels extending to anal origin; anal fin with 49-53 rays; and gill rakers 16-17 (Ref. 52489).
Biology:  The type locality is a small river under primary forest cover and with a moderate current, turbid water and with many fallen trees and a muddy substrate. Also found in areas with clear water and substrate consisting of sand and gravel (Ref. 52489).
IUCN Red List Status: Vulnerable (VU); Date assessed: 22 May 2019 (B2ab(ii,iii); D2) Ref. (130435)
Threat to humans:  harmless


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