Teleostei (teleosts) >
Siluriformes (Catfishes) >
Siluridae (Sheatfishes)
Etymology: Kryptopterus: Greek, kryptos = hidden + Greek, pteron = wing. Fin (Ref. 45335).
Eponymy: Dr Pierre Chevey (1900–1942) was a French ichthyologist who graduated at the exceptionally young age of nineteen and became a teacher in Clermont-Ferrand in order to continue his studies. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic; potamodromous (Ref. 51243). Tropical
Asia: Mekong and Chao Phraya basins (Ref. 27732). Reported from the river systems of Southeast Thailand (Ref. 26336).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 35.0 cm TL male/unsexed; (Ref. 12693)
Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal soft rays: 66 - 71. No dorsal fin; short maxillary and mandibular barbels reaching about the base of the pectoral fin; 66-71 anal rays (Ref. 27732). Projecting lower jaw and shallow body (depth 4.0-4.9 in SL); head length 5.6-5.8 times in SL; a single patch of vomerine teeth; gill rakers 6-8 + 21-23 (Ref. 12693).
Inhabits rivers and canals (Ref. 12693). Enters flooded fields (Ref. 12975). Feeds on larvae of chironomids and ephemeropterans as well as zooplankton and fishes. Sold fresh or smoked and large individuals may be put on ice and shipped to Thailand (Ref. 12693).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Rainboth, W.J., 1996. Fishes of the Cambodian Mekong. FAO species identification field guide for fishery purposes. FAO, Rome, 265 p. (Ref. 12693)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Fisheries: commercial
Tools
Special reports
Download XML
Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00562 (0.00279 - 0.01132), b=3.00 (2.83 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.5 ±0.51 se; based on food items.
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (25 of 100).