| Family: |
Cobitidae (Spined loaches) |
| Max. size: |
13.2 cm SL (male/unsexed) |
| Environment: |
demersal; freshwater |
| Distribution: |
Asia: mainstem Mekong River in Thailand and Laos; Nam Lik, a large tributary of the Mekong in Laos, and Srepok River, a large tributary of the Mekong in Cambodia. |
| Diagnosis: |
Dorsal soft rays (total): 9-10; Vertebrae: 46-48. Acantopsis ioa is distinguished from all congeners by combination of the following characters: absence of labial barbels; usually lack of distinct small black spot on upper margin of caudal-fin base, 0-1 row of large spots on side of head; absence of large black spots on dorsal or caudal fins; absence of row of black specks beneath midlateral row of black spots; dorsal fin usually with 9½ branched rays and pectoral fin with 10 rays; 15-23 narrow, blotch-like saddles along dorsal midline; 13-21 black spots along side of body, and 46-48 total vertebrae; and body depth 8.5-11.0% SL, body width 5.2-7.9% SL, caudal-peduncle length 13.1-16.2% SL (Ref. 116755). |
| Biology: |
|
| IUCN Red List Status: |
Not Evaluated (N.E.) Ref. (130435)
|
| Threat to humans: |
harmless |
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