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Glyptothorax prionotos Ng & Kottelat, 2023 |
| Family: | Sisoridae (Sisorid catfishes), subfamily: Sisorinae | |||
| Max. size: | 8.19 cm SL (male/unsexed) | |||
| Environment: | demersal; freshwater | |||
| Distribution: | Asia: Thailand. | |||
| Diagnosis: | Dorsal spines (total): 1-1; Dorsal soft rays (total): 6-6; Anal soft rays: 8-10; Vertebrae: 35-37. This species is distinguished from its congeners by the following set of characters: presence of a uniformly dark-coloured body with pale mid-dorsal stripe; serrated posterior margin of the dorsal spine; absence of plicae on the ventral surfaces of the first pelvic-fin ray and the skin covering the pectoral spine; head length 23.6-27.0% SL; head width 19.2-21.4% SL; TAA without anteromedial striae or ridges extending to gular region and with caudally open triangular medial pit extending one-third to half TAA length; 7-10 serrations on posterior edge of pectoral spine; dorsal-fin spine length 12.2-15.6% SL; triangular anterior nuchal plate element without saddle-shaped lateral expansions of pterygiophores; pale spots only at lateral tips of nuchal plate elements; body depth at anus 14.0-17.4% SL; dorsal to adipose distance 23.6-28.1% SL; distally expanded neural spines of vertebrae between dorsal and adipose fins; length of adipose-fin base 14.1-17.7% SL; post-adipose distance 13.1-17.0% SL; caudal peduncle length 16.6-19.4% SL; caudal peduncle depth 8.0-9.8% SL; caudal-fin length 23.6-28.1% SL; and 35-37 vertebrae (Ref. 138194). | |||
| Biology: | ||||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. (130435) | |||
| Threat to humans: | harmless | |||