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Teleostei (teleosts) >
Siluriformes (Catfishes) >
Siluridae (Sheatfishes)
Etymology: Kryptopterus: Greek, kryptos = hidden + Greek, pteron = wing. Fin (Ref. 45335); hesperius: Named for its western distribution in Thailand..
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
Asia: Mae Khlong River drainage in Thailand.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 24.9 cm SL male/unsexed; (Ref. 42937)
Short description
Morphology | Morphometrics
Anal
soft rays: 78 - 79;
Vertebrae: 57. Head length 14.0-15.2% SL; head width 12.2-12.3% SL; body depth at anus 23.0-23.8% SL; eye diameter 25.6-27.9% HL; vomerine teeth present in single crescentic band; a distinct nuchal concavity; and mandibular barbels reaching beyond anterior base of anal fin. Fins hyaline, with small dark-brown spots occasionally present (Ref. 42937).
Occurs in mainstream (Ref. 58784). Feeds on insects and small shrimps (Ref. 58784).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ng, H.H., 2002. Descriptions of two new species of Kryptopterus from Thailand and Borneo in the K. limpok species group (Teleostei: Siluridae). Ichthyol. Explor. Freshwat. 13(1):67-72. (Ref. 42937)
IUCN Red List Status (Ref. 126983)
Threat to humans
Harmless
Human uses
More information
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
Age/SizeGrowthLength-weightLength-lengthLength-frequenciesMorphometricsMorphologyLarvaeLarval dynamicsRecruitmentAbundanceBRUVS
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
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