| Cichlidae (Cichlids), subfamily: Geophaginae |
| 7.97 cm SL (male/unsexed) |
|
pelagic; freshwater |
| South America: Venezuela. |
|
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). |
|
Least Concern (LC); Date assessed: 19 June 2017 Ref. (130435)
|
| harmless |
|
Restricted to clear and blackwater tributaries in the country's part of the Guiana Shield. It is most abundant in the Caroní River drainage, with most samples coming from the Claro and the Paragua rivers. It was found to be apparently absent from the lower Caura drainage (Ref. 57436). |
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