| Family: |
Siluridae (Sheatfishes) |
| Max. size: |
6.46 cm SL (male/unsexed) |
| Environment: |
demersal; freshwater |
| Distribution: |
Asia: Peninsular and southeastern Thailand; absent in central Thailand. Report from Penang, Malaysia requires verification. |
| Diagnosis: |
Dorsal soft rays (total): 32-32; Anal soft rays: 48-55; Vertebrae: 44-47. This species differs from all species of Kryptopterus, except K. minor and K. piperatus, in having a transparent (vs. translucent or opaque) body in life, and from members of the K. cryptopterus, K. limpok, and K. schilbeides groups in having 48-55 anal-fin rays (vs. 64-85). It is diagnosed from members of the K. bicirrhis species group (K. bicirrhis, K. lais, K. macrocephalus, K. minor, K. palembangensis and K. piperatus) in having the following combination of characters: snout length 29-35% HL, eye diameter 28-34% HL, body depth at anus 16-20% SL, depth of caudal peduncle 4-7% SL, maxillary barbels reaching beyond base of first anal-fin ray, dorsal profile with pronounced nuchal concavity, 14-18 rakers on first gill arch, and 48-55 anal-fin rays (Ref. 93176). |
| Biology: |
Occurs in slow moving to standing, brown to black, water (Ref. 93176). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 04 June 2019 Ref. (130435)
|
| Threat to humans: |
harmless |
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