Tachysurus Brachyrhabdion (Tachysurus brachyrhabdion), first described by Cheng, Ishihara & Zhang, 2008 is a medium-sized fish in the family Bagridae (order Siluriformes). Adults typically reach 20.70 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.
Dorsal spines (total): 1; Dorsal soft rays (total): 7; Anal soft rays: 20 - 23. Differs from all congeners with a similar caudal-fin shape (truncate or slightly emarginate) by the following unique combination of characters: supraoccipital plate and nuchal plate broadly interspaced and covered with skin; nasal barbels only at most reaching anterior margin of eye; maxillary barbels reaching slightly beyond posterior margin of eye; outer mandibular barbels reaching posterior margin of eye; dorsal fin with a slightly convex distal margin, origin nearer to pectoral-fin insertion than to pelvic-fin insertion; dorsal-fin spine shorter than pectoral spine, with a slightly serrated posterior margin; pectoral-fin spine with a smooth anterior margin; anal fin with 20-23 rays, base length 23.8-32.0% SL, posterior end of anal-fin base anterior to posterior end of adipose fin base; no longitudinal black band extending along flank; eyes large, diameter 16.3-23.7% HL; and vertebrae 5 + 43-46 . : elongated.
Behavioural data for Tachysurus Brachyrhabdion is currently being reviewed.
Freshwater; demersal. Tropical
No observations yet - be the first to log one!
View all observations for Tachysurus Brachyrhabdion ↗Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.
Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.