Marcusenius Thomasi (Marcusenius thomasi), first described by Boulenger, 1916 is a medium-sized fish in the family Mormyridae (order Osteoglossiformes). Adults typically reach 20.00 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Least Concern.
Dorsal spines (total): 0; Dorsal soft rays (total): 22 - 27; Anal spines: 0; Anal soft rays: 37 - 43. The head, some parts of the body and the end of the dorsal and anal fins are darker in coloration. The whole body is generally brown. Dorsal fin origin behind anal fin origin, dorsal base/anal base rates = 0.5-0.6. LS/body depth ratio = 3.5-4.5. Long caudal peduncle, length/depth ratio = 2.9-5.5.: fusiform / normal; Cross section: compressed.
Behavioural data for Marcusenius Thomasi is currently being reviewed.
Freshwater; demersal. Tropical; 12°N - 6°N
| Language | Common Names |
|---|---|
| 🌍CES | rypoun sierraleonský |
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Gnathonemus thomasi | Boulenger | 1916 | Synonym |
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 18 records indexed .
No observations yet - be the first to log one!
View all observations for Marcusenius Thomasi ↗Spotted incorrect or outdated data?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.