| Cichlidae (Cichlids), subfamily: Cichlinae |
| 4 cm SL (male/unsexed) |
|
benthopelagic; freshwater |
| South America: Xingu River drainage, Amazon River basin in Brazil. |
|
Dorsal spines (total): 18-20; Dorsal soft rays (total): 9-11; Anal spines: 3-3; Anal soft rays: 8-9; Vertebrae: 33-33. Slender-bodied (body depth 10.5-13.9% SL), with continuous lateral line and 113-129 longitudinal scales. Compared to other congeners, orbital diameter smaller (5.7-7.6%SL versus 7.3-10.6); caudal peduncle depth lower (7.2-8.2% SL versus 8.8-10.4). Ctenoid scales restricted to posterior quarter of the body. Caudal fin rounded. Pectoral fin nearly symmetrical, 8th ray longest, with lower edge slightly thickened (Ref. 46528). |
| A rheophilic species which dwells on rocky bottom rapids with water flow up to 1.7 m/sec. Perches solitary on top of boulders. Forages on rock surfaces and picks mostly on benthic preys; also feeds on micro-crustaceans (cladocerans, ostracods, copepods), immature aquatic insects (chironomids, ephemeropterans, trichopterans) and minute clams (Ref. 46528). |
|
Vulnerable (VU); Date assessed: 07 November 2018 (B2ab(ii,iii)) Ref. (130435)
|
| harmless |
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