Family: |
Siluridae (Sheatfishes) |
Max. size: |
17.6 cm SL (male/unsexed) |
Environment: |
benthopelagic; freshwater |
Distribution: |
Asia: Chao Phraya to Lower Mekong basins. |
Diagnosis: |
Dorsal spines (total): 1-1; Dorsal soft rays (total): 3-3; Anal soft rays: 75-79; Vertebrae: 58-58. Snout length 33.1-34.8% SL; vomerine teeth in 2 distinct elliptical patches; a distinct nuchal concavity; and mandibular barbels reaching beyond anterior base of anal fin. Males with pectoral spine enlarged and broad, somewhat flattened dorsoventrally with 7-9 posterior dentations, increasing in size distally; proximal articulated segments with 6-9 well-developed posterior dentations. Female or juvenile with spine slender and with no dentations; 6 articulated segments present. Mandibular barbels one pair, located slightly anterolateral to gular fold. Branchiostegal rays 9-10. |
Biology: |
Inhabits mainstreams and tributaries (Ref. 58784). Feeds on insects and small shrimps (Ref. 58784). |
IUCN Red List Status: |
Data deficient (DD); Date assessed: 04 April 2011 Ref. (130435)
|
Threat to humans: |
harmless |
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