Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > Mochokidae
(Squeakers or upside-down catfishes)
Etymology: Synodontis: Greek, syn, symphysis = grown together + Greek, odous = teeth (Ref. 45335). More on author: Rüppell.
Reassigned to Synodontis based on a phylogenetic study (Ref. 79014). This species is placed in the genus Brachysynodontis in Eschmeyer (CofF ver. Mar. 2011: Ref. 86697).
Environment / Climate / Range
Freshwater; benthopelagic; potamodromous (Ref. 51243). Tropical; 23°C - 27°C (Ref. 12468); 35°N - 4°N
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 13 - ? cm
Max length : 50.0 cm TL male/unsexed; (Ref. 3799); max. published weight: 1.5 kg (Ref. 3799)
Africa: Nile, Chad, Niger (including the Bénoué), Senegal and Gambia basins.
Omnivore, feeds on plankton, algae and detritus (Ref. 13868). May also feed on surface insects, chironomid larvae, benthic crustaceans and mollusks (Ref. 28714). Oviparous (Ref. 205).
Gosse, J.-P., 1986. Mochokidae. p. 105-152. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels, MRAC, Tervuren; and ORSTOM, Paris. Vol. 2.
IUCN Red List Status (Ref. 90363)
Fisheries: commercial; aquarium: commercial
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01820 (0.00819 - 0.04046), b=2.95 (2.77 - 3.13), based on LWR estimates for this Genus-BS (Ref. 93245
Trophic Level (Ref. 69278
): 2.8 ±0.33 se; Based on food items.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate vulnerability (35 of 100) .