Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Siluriformes (Catfishes) >
Mochokidae (Squeakers or upside-down catfishes) > Mochokinae
Etymology: Microsynodontis: Greek, mikros = small + Greek, synodon = with the teeth growing all together (Ref. 45335); armatus: Species name from the Latin 'armatus', meaning armed; in allusion to the antrorse and retrorse serrations on the nterior edge of the pectoral spine unique to this species (Ref. 52369).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal; pH range: 5.0 - 5.0. Tropical
Africa: known only from the Ivindo River in northern Gabon (Ref. 52369, 81251).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 2.7 cm SL male/unsexed; (Ref. 52369)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 2; Dorsal soft rays (total): 6; Anal spines: 0; Anal soft rays: 11; Vertebrae: 34 - 35. Diagnosis: retrorse (proximally directed serrations along proximal 1/3-1/2 of anterior edge of pectoral spine (Ref. 52369, 81251). Body slender, 13.7-15.0% SL; eye 6.7-13.9% HL; snout short, its length 43.1-48.5% HL; supracleithral process not reaching to vertical through posterior-most tip of nuchal shield; adipose fin moderately long, its base 25.9-32.9% SL; caudal peduncle slender, its depth 8.3-9.1% SL (Ref. 81251).
Body shape (shape guide): fusiform / normal.
Found in a blackwater forest stream with sand and leaf litter bottom (Ref. 52369).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ng, H.H., 2004. The Microsynodontis (Teleostei: Siluriformes: Mochokidae) of the lower Guinea region, west central Africa, with the description of eight new species. Zootaxa 531:1-52. (Ref. 52369)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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