Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > Mochokidae
(Squeakers or upside-down catfishes)
Etymology: Synodontis: Greek, syn, symphysis = grown together + Greek, odous = teeth (Ref. 45335); acanthoperca: The specific name is a Latinized combination of the Greek 'acantha', meaning a thorn, and the Latin 'opercul', meaning a cover or lid, alluding to the distinctive opercular spines developed by mature males in this species (Ref. 56332).
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical
Africa: endemic to the upper Ogowe River in Gabon (Ref. 56332, 81251).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.6 cm SL male/unsexed; (Ref. 56332)
Morphology | Morphometrics
soft rays: 8;
Vertebrae: 35. Diagnosis: relatively small species, with a maximum standard length below 50 mm (Ref. 56332). Distinctive color pattern including a pair of dark patches on the caudal fin, one patch in the middle of each lobe; posterior margin of opercle with a bony spine (small in females, elongate in males)(Ref. 56332, 81251). Dorsal spine only serrated along posterior edge (Ref. 81251).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Friel, J.P. and T.R. Vigliotta, 2006. Synodontis acanthoperca, a new species from the Ogôoué River system, Gabon with comments on spiny ornamentation and sexual dimorphism in mochokid catfishes (Siluriformes: Mochokidae). Zootaxa 1125:45-56. (Ref. 56332)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01380 (0.00610 - 0.03124), b=2.95 (2.77 - 3.13), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 2.9 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .