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Silurichthys ligneolus Ng & Tan, 2011 Brown leaf catfish |
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photo by
Ng, H.H. |
| Family: | Siluridae (Sheatfishes) | |||
| Max. size: | 5.53 cm SL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater | |||
| Distribution: | Asia: Indonesia (southern Borneo). | |||
| Diagnosis: | Dorsal soft rays (total): 2-2; Anal soft rays: 44-45; Vertebrae: 46-48. This species is distinguished from congeners in having the following set of characters: depth at anus 9.1-11.0% SL; caudal peduncle depth 4.7-5.5% SL; eye diameter 6.7-9.8% HL; pelvic fins present; anal-fin rays 44-45; principal rays on the lower caudal-fin lobe 3-4, lower lobe of caudal fin indistinct; vertebrae 46-48; one gill raker on the first branchial arch; body uniformly brown. Based on the morphology of its caudal fin, this species is hypothesized to be the sister taxon of S. sanguineus (Ref. .86600). | |||
| Biology: | ||||
| IUCN Red List Status: | Vulnerable (VU); Date assessed: 30 May 2019 (D2) Ref. (130435) | |||
| Threat to humans: | harmless | |||