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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Geophaginae
Etymology: Guianacara: Composed from Guyana + Tupí, guaraní, acará = the name of a fish (Ref. 45335); stergiosi: Named for Basil Stergios.
Eponymy: Basil Stergios is a botanist at the Universidad Nacional Experimental de los Llanos Occidentales, whose numerous expeditions into remote regions of southern Venezuela have uncovered undescribed fishes, as well as plants. [...] (Ref. 128868), visit book page.
More on authors: López-Fernández, Taphorn & BaechleKullander.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water pelagisch. Subtropical
South America: Venezuela.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 8.0 cm SL mannelijk / geslacht onbekend; (Ref. 57436)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
This species is distinguished from G. oelemariensis subgenus Oelemaria) by possessing 2 supraneural bones and a midlateral bar and a midlateral spot (vs. absence of a midlateral bar in G. oelemariensis). G. stergiosi is distinguished from all other species in the subgenus Guianacara by possessing of a round midlateral spot placed almost entirely below the upper lateral line, and representing the darkest area in the midlateral bar (the upper lateral line is in contact with the upper fifth of the round midlateral spot; midlateral bar progressively fades, and the midlateral spot becomes darker in all but small juvenile specimens) (Ref. 57436).
Inhabits moderately shallow, clear-black, acid waters with slow to moderate currents on rocky bottoms (Ref. 57436).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
López-Fernández, H., D.C. Taphorn Baechle and S. Kullander, 2006. Two new species of Guianacara from the Guiana Shield of Eastern Venezuela (Perciformes: Cichlidae). Copeia 2006(3):384-395. (Ref. 57436)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
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Harmless
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Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01995 (0.00922 - 0.04317), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.3 ±0.5 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (12 of 100). 🛈 |