Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Siluriformes (Catfishes) >
Sisoridae (Sisorid catfishes) > Sisorinae
Etymology: Glyptothorax: Greek, glyptes = carver + Greek, thorax = breast (Ref. 45335); irroratus: Name 'irroratus' from the Latin word meaning 'covered with dew', in allusion to the irregular tuberculation on the sides of the body and caudal peduncle.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical
Asia: Laos.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.4 cm SL male/unsexed; (Ref. 137779)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 1; Dorsal soft rays (total): 6; Anal soft rays: 7 - 10. This species is distinguished from its congeners by the following set of characters: irregularly arranged large and small tubercles on the lateral surfaces of the body; uniformly dark grey to black body with only a very faint pale mid-dorsal stripe; eye diameter 9-12% HL; interorbital distance 25-31% HL; head length 23.6-27.8% SL; head depth 13.1-15.7% SL; anteromedial striae in TAA absent; short, triangular medial pit in TAA extending about one-fifth TAA length; TAA width 10.1-12.0% SL; 7-14 serrae on posterior margin of pectoral spine; dark nuchal plate; neural spines of vertebrae between dorsal and adipose fins distally expanded; body depth at anus 12.2-16.0% SL; uniformly dark-coloured adipose fin, with pale distal margin; length of adipose-fin base 12.5-17.0% SL; post-adipose distance 13.4-18.9% SL; caudal peduncle depth 6.3-7.6% SL (2.6-3.1 times in its length and 1.8-2.1 times in body depth at anus); and caudal peduncle length 17.8-21.4% SL (Ref. 137779).
Body shape (shape guide): elongated; Cross section: oval.
This species inhabits rapid waters lined with stone, boulder and rocky bottom (Ref. 137779).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ng, H.H. and M. Kottelat, 2023. Glyptothorax irroratus, a new species of rheophilic catfish from the Mekong River drainage (Actinopterygii: Siluriformes: Sisoridae). J. Nat. Hist. 57(5-8)358-371 . (Ref. 137779)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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