Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Cichlidae
(Cichlids) > Cichlasomatinae
Etymology: Hoplarchus: Greek, hoplon = weapon + Greek, archos = anus (Ref. 45335).
Environment / Climate / Range
Freshwater; benthopelagic; pH range: 5.5 - 6.0; dH range: 5 - 10. Tropical; 27°C - 30°C (Ref. 40602)
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 32.0 cm TL male/unsexed; (Ref. 40637); max. published weight: 730.00 g (Ref. 40637)
South America: Amazon River basin, in the Negro, Preto da Eva, Urubu and Jamari rivers in Brazil; also in tributaries of the upper Orinoco River basin.
Inhabits rivers (Ref. 12251). Also found in swamps and lakes; feeds on aquatic insects and crustaceans during high water, also on fishes during low water seasons (Ref. 40602). Maximum length 35 cm TL (Ref. 2060).
Axelrod, H.R., 1993. The most complete colored lexicon of cichlids. T.F.H. Publications, Neptune City, New Jersey. 864 p.
IUCN Red List Status (Ref. 90363)
Threat to humans
Fisheries: subsistence fisheries; aquarium: commercial
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic Level (Ref. 69278
): 3.7 ±0.57 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
): Low to moderate vulnerability (30 of 100) .