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Clarias sulcatus Ng, 2004 |
| Family: | Clariidae (Airbreathing catfishes) | |||
| Max. size: | 20.7 cm SL (male/unsexed) | |||
| Environment: | demersal; freshwater | |||
| Distribution: | Asia: Malaysia. | |||
| Diagnosis: | Dorsal spines (total): 0-0; Dorsal soft rays (total): 72-80; Anal soft rays: 56-64; Vertebrae: 62-64. Distinguished from Southeast Asian congeners, except Clarias batrachus and C. insolitus in having a narrow frontal fontanel. Differs from C. batrachus in possessing more anal-fin rays (56-64 vs. 47-58) and a broader snout and from C. insolitus in having a wider head (17.4-18.3% SL vs. 14.0-15.6) and a smaller distance between the occipital process and the dorsal fin (7.2-7.5% SL vs. 10.3-12.4) (Ref. 55369). | |||
| Biology: | ||||
| IUCN Red List Status: | Critically Endangered (CR); Date assessed: 01 September 2018 (B1ab(ii,iii)+2ab(ii,iii)) Ref. (130435) | |||
| Threat to humans: | harmless | |||